四年级数学（小数加减运算）计算题专项练习与答案汇编

四年级数学（小数加减运算）计算题专项练习与答案汇编9+5.68-2.83+3.52=3.12+9.89=2.95+6.69+4.65=9.31+2.17-4.93-2.93=3+5.69-5.82+9.26=7.43+1.65=6.97+4.06-8.04=6.55-0.83-0.05+0.93=7.91-0.43-1.11=7.26-3.72-1.04+1.9=9.75-3.29-5.09-1.06=9.72-3.38+5.13+8.08=8.98-0.92-4.21-3.18=6.72-4.13-2.08=9.8+8.85-1.82-3.97=8.75+7.93+5.17-2.11=8.67-4.14=1.51+3.1+7.89=1.45+0.57=9.96-5.78-3.95+7.39=9.37-3.21+6.31-9.02=3.13+6.63-2.73-4.47=9.37+0.37+0.95+8.76=9.97-1.31+3.88+5.33=9.24-7.64=6.44+1.16+2.82+9.77=5.26-1.62+7.84=3.01+6.43+5.95-8.93=6.34+0.02-0.92=4.73+9.99-9.01-1.41=8.72-1.33-1.81-1.97=0.36+9.16+1.88=4.82-2.01+8.75=5.5+2.09-3.61+8.24=8.2+8.68-2.18-3.82=3.34+7.09-0.43-8.92=8.41-0.27=5.57+2.37-2.66=9.17+9.81+5.76+6.82=9.82-1.37-2.52-5.32=9.73-1.65+0.81+3.17=1.6+9.06+7.79-1.28=9.22-1.6-0.2-4.86=7.96-0.69-4.98-1.75=8.98+4.96-3.37+6.67=5.29+5.88-0.93=7.56-1.89-1.9-1.59=8.49-0.16-2.24-1.5=2.85+5.07+4.5+6.26=9.72-2.88+2.28=1.3+1.66+9.73=9.17-0.11+3.8-4.66=9.69+8.2+4.45-7.78=5.44+9.88=9.41-9.09=4.71-0.93-2.4=4.35-2.67=7.46-5.06+6.66=3.57+5.79=6.22-0.67+9.19-3.9=2.95+7.93+7.72=9.52+4.36+1.7-5.69=5.88+8.96-0.07-3.47=4.62-0.48+3.16-5.03=9.12-5.65=8.06-3.51=8.3-1.2+9.97+0.57=5.8+0.72=6.55+8.78-8.36=3.37+6.34+2.75-9.19=6.19-0.09+8.32+1.44=5.44+3.07-3.22+4.76=5-4.35=5.09-2.32+2.61-0.35=7.75-3.94-0.02=5.02+1.36-1.77-0.07=6.13-1.28+5.92-6.26=9.27-0.51-5.26+9.74=4.92-2.84=6.95-3.14+4.64=5.99+0.42+7.46+9.45=9.09+6.88+1.29-9.88=7.79+9.88+6.61+0.15=1.55+3.02+3.94+4.57=3.34+5.01+4.39+0.38=8.8-5.83-2.58+9.62=8.09-6.09-0.7=7.19+2.64-3.53=9.14+9.08-5+9.21=9.37-0.09-3.97-2.25=3.31-2.88+3.05=5.01+6.4+3.07=1.12+9.7=3.53+6.69-1.53+7.63=9.78-0.29-2.39-4.76=1.52+5.35+8.24+9.96=5.59+8.03+9.83-2.6=9.01-3.31-3.45+1.08=8.02-1.4=9.53-0.22-0.33=9.96-4.82-1.03-2.88=8.66+6.12-7.62+4.5=2.4-1.18=8.79-1.2-3.94+5.58=7.54-6.19+8.01=9.77+0.68-0.11-9.2=2.5+8.36+2.13=9.38-0.93-1.24=5.16-0.83-0.48-2.14=6.26+5.75+6.71=8.7+3.76=5.35+7.41+4.84+8.01=7.24-0.75-6.23=5.7+2.67-3.92+1.87=5.23+9.97-5.02+3.56=8.38-2.94-1.95+9.77=9.42+7.83+2.49-4.62=0.56+1.77+7.34=3.09-0.29=6.78-5.4+5.26+4.41=6.1-1.74-2.34+5.34=9.29-2.3-4.6=8.89-1.65-4.82=9.4-0.78+5.63=8.66+4.06-9.44+2.22=1.24+1.75-1.28=9.86+8.87=9.42-0.81+2.4-5.04=1.67-0.69=5.28+8.61=4.48+9.15=3.49+9.9+2.48-9.38=0.52+3.88-2.15=4.81-0.79-0.5=9.86-5.71=4.38-1.82-1.16+2.28=9.9-4.38+2.7=6.62-6.16+9.69+8.17=7.06+3.22-9.11+8.8=4.69+2.71+4.95-1.5=8.46-2.64-1.46+2.84=8.63+4.52-2.51-4.11=0.38+9.72+1.2=2.68+5.73+8.79-7.74=1.35+5.66-3.99=3.41-1.76+7.34-2.12=2.42+4+1.39=6.27+6.89+7.8-9.93=5.84+8.59-4.01=2.74+5.99-0.38=8.76-1.51-1.15=6.97-6.11+7.82-6.09=5.02+0.22+7.93=8.14-7.61+3.93+3.85=6.49+6.08-2.26+6.35=9.66-4.86-1.08-3.08=7.56+9.21+0.27+4.91=5.24-0.51-3.42-0.2=6.75+7.25+7.71+9.95=7.07-2.81-1.01-0.34=0.1+8.71+8.79-9.74=5.71-3.67-0.82=9.31+4.51-6.35=4.88-0.92-0.19-0.46=5.65+3.78+1.44+1.89=3.46+8.04-1.51+2.8=7.17-0.46+9.53-7.67=3.81+8.49+5.58=9.84+3.01-9.28=3.28+6.01-5.92-0.83=7.49+3.43+3.46+3.85=9.63-2.66-2.61-3.76=5.53-3.52+5.39+8.65=5.57-1.98-0.3-3.16=4.7+9.28=9.5-4.09-1.2-0.91=5.99-2.9-2.48+4.57=7.78-0.25-1.35=8.55-0.87+8.61=7.45-3.94+7.72+7.59=2.05+1.53+6.89=8.03-3.77-0.53+8.63=9.66-3.66+6.95+6.78=6.47+5.99-1.51=3.32+0.11-2.51=5.81-3.33+4.63=0.22+8.87+7.62+6.28=4.41+6.45+2.61+4.29=1.74+5.22+1.26+7.67=9.22-1.35-0.62+7.18=4.87+9.23-8.63+7.91=2.02+8.83=3.44+6.81+2.15-4.53=0.5+7.85+9.18+1.04=7.63-1.4+2.72+4.63=9.29-2.26-4.21+4.82=9.14-1.34-1.26=9.83-3.89+4.6+6.08=8.95-7.71+6.09+8.21=7.51-1.21-5.28-0.43=0.17+8.2=8.33-7.43+0.58=7.77+2.02+3.6+7.81=9.76-3.22+6.87+3.12=8.58-1.17-0.48+5.83=8.19+9.37-3.49+0.86=8.18-7.97=9.76-5=2.32-0.21+3.54=7.61+2.7=8.43+5.83-1.89-5.44=0.9+8.12-0.25=4.92-3.95+4.37=7.87-0.08-0.44-6.51=4.27-3.36+6.36-1.2=6.91-1.32+7.21+5.16=7.98+8.15+0.11-4.88=0.04+5.72+9.57=8.89-1.19+8.67=3.06+6.36-0.6=3.86+9.58+9.72+4.12=5.77+5.44=8.63-3.55+2.04-4.35=7.3+0.57+5.37=1.34-0.47=9.69+9.98-4.09=1.5-0.97+3.47+2.13=9.56-0.08-0.69=8.29+7.3-2.49-3.32=3.99-2.72=2.89+8.83+6.35+4.19=3.49+7.11+3.08-6.47=5.55-5.11=8.32+7.77-3.25=3.05-0.75+6.83-6.73=9.66+2.06-6.71+2.2=1.19+6.23+4.27=9.8+1.36-8.89=5.67-4.66=8.41-1.24-6.75+1.32=0.46+6.29+4.31=7.66-1.51+0.12=9.08+5.43=8.15+7.85+7.58-4.89=8.86-5.03=4.56+1.26+4.55-7.73=4.53-2.81=8.84-4.22-2.04+1.96=6.16-0.02-1.14=0.27+3.32-1.7+6.07=7.32-5.99+2.86+4.73=5.05+1.88+1.11=7.5+1.66+7.81+3.51=8.42-6.76+5.24=5.92+0.35=9.22-0.6-2.28-1.91=8.9+4.92-4.19+2.66=7.85-0.22+6.36+2.28=6.38-2.56-3.43+4.07=8.59-5.39=8.07-4.04+1.69=7.95+4.13+9.22=3.85-0.78-2.65+3.45=6.19+3.56+4.53+8.86=4.6+3.95-0.56-3.69=3.59+9.31=7.71-6.17+9.68=5.22-0.68+6.69-7.81=9.38-4.75+3.88=4.99-3.32-1.04+7.3=8.8-5.47=6.87-4.27-1.5=8.98+5.7=3.99-3.19-0.18=1.11+8.18-0.45+1.51=5.46-5.29=1.04+7.23+3.33=8.19+4.35+0.22-5.53=4.39+3.62-2.44=8.08+3.78+1.76=9.4-3.33-3.89+0.05=8.2-3.49+9.59+8.43=8.69-1.41-6.33=6.73+8.25-7.19-7.47=4.13+7.76-2.73-0.64=9.3+4.83-5.24+6.22=8.16-0.96-1.43+1.96=9.56+4.37+4.94+7.41=9.15-5.55+4.28-6.69=9.87-0.27-2.79+3.46=4.33-4.09+2.56=0.84+5.52=7.39-1.99-1.28+8.79=1.49+0.06=3.2+7.27-0.51-2.43=8.39+1.16+1.99+5.23=1.26+0.64=2.77+7.63+2.93+8.8=8.82-2.7-1.64-4.09=5.17-3.79+0.21=6.81-5.9-0.36+6.86=9.46-8.18+9.36+5.11=6.66-5.58+6.08+3.33=5.09-1.49-0.97=8.51-4.26+6.71=6-1.98+2.78+8.08=6.37+3.54-5.05=8.05-7.8+8.21-3.36=8.51-3.33-2.16=4.55-0.28-0.72+5.84=5.73-1.97=9.09-3.76-4.98+8.94=7.64-6.68+2.19=4.08-3.76=3.15+6.75-7.32+1.93=0.21+7.9+2.98-9.21=2.53-0.09+6.21+1.78=9.55-0.64-6.95+9.15=3.29+1.04+7.39=0.71+1.28+8.28-3.43=8.06-4.63+4.51+9.81=7.8-4.56-0.91-2.09=4.51+5.26+5.67=3.02+8.85-4.87+0.64=9.48+9.44-5.99-0.25=2.73+3.02+3.21-3.89=3.14+8.19-2.55-5.99=5.42-3.15+6.13-7.41=7.39-0.78-0.96-3.89=5.75+4.32+5.39-4.07=6.55-4.58=9.76-8.43-0.88=5.54-3.12+5.29+1.23=3.68+7.32+5.93=3.47+6.16+9.33=1.79+9.51=3.66+9.83-8.07=5.07-2.3+5.3=8.84+6.03+8.1=9.68+2.35+4.33-6.64=2.49+0.87+1.35=2.88+3.33+4.6-1.42=2.99+6.16+7.74+0.19=6.79+7.55+2.64+1.81=6.49+5.03-7.16=1.57-1.32+2.86=8.82-7.48=8.16+6.8-1.97-9.99=8.92-0.28-0.43-3.93=5.93-4.61=4.54+7.98+1.78=8.58-2.77-3.55=0.11+5.98+0.77=4.52+7.51-6.9=5.26-3.49+1.32-0.04=8.34-4.1+5.58-6.48=8.47-4.98-1.62-0.95=9.25+8.25+2-1.14=7.71-5.27+2.31+9.19=3.27+2.23-1.09-0.91=8.36-1.26-3.59-3.11=9.71-2.28-0.03+9.08=6.39-1.75+6.05=0.66+5.97-2.7-2.8=4.48+1.55-0.41-2.12=2.86+4.55+7.28=6.94+6.48-3.05=8.25+5.14-7.32+5.56=2.44-0.07-0.46+5.36=5.51+3.77-1.88+3.63=3.76-2.94=8.72-4.99-2.02-1.59=5.64-3.5=7.55+7.39-6.8=2.37-2.01+9.17-7.47=6.85+6.81-7.4+8.59=9.54+9.56+0.14+7.74=8.54-4.24+1.35-0.09=9.87-2.58-1.94=2.42-1.64+6.5-0.9=9.5-0.99-5.68+1.6=6.71-2.67-1.48-2.26=7.01+5.9-7.17-2.93=7.04+1.31+2.17+4.73=0.27+2.15=9.16-2.71+9.36+4.3=7.9-2.97-2.12=5.48-0.62-0.12-0.78=3.92-0.1+0.91=5.83-2.76-1.13+8.31=6.76-6.55+3.8+9.89=7.53-2.13-4.75-0.16=8.78+1.93=8.9+6.33-4.32+9.05=6.18+7.92-0.19+4.38=7.61+4.26-2.3-8.63=8.84+6.59+7.88+0.35=9.57-2.31-4.01=5.26+3.98+5.63+4.76=0.26+7.34+4.52+1.45=3.86+9.63-9.53=5.81+8.18-2.08-0.37=2.28+0.31+2.87=8.07-7.71+8.04+0.02=8.69+9.38=9.66-2.04-5.53+9.87=3.84+8.27-2.75+1.54=6.49+7.17+6.19-7.88=8.29+7.49-2.27=3.67+7.84-0.24-5.01=6.3+8.61+5.85=4.7-2.89+8.72-4.17=2.05-0.24+9.26+0.57=9.96-0.61+7.37-0.31=8.46-1.81-3.83=7.44-1.03=8.1+3.13+6.68-6.29=5.47+3.57=9.23+1.38+0.19-8.62=8.96-5.24+6.26+3.26=3.88+7.88-2.74=2.74+6.47+4.62=2.95+4.27-5.42+3.26=4.73-0.78-2.83=3.72+3.63-0.28-5.72=6.45+9.1-0.31+3.86=7.11-2.67-2.12+9.98=9.01-1.75=6.44-1.49+5.1+8.56=5.37+3.02+1.18+4.13=6.35-2.36+2.1+9.44=9.76-1.54-1.43+1.88=6.38+4.61+7.31+2.05=8.7+8.4-4.82+0.23=0.29+5.72+1.13+8.9=7.25-2.92+5.06=0.41+6.54+8.47+2.37=8.62-1.39-6.88=5.93+6.32+7.47=3.11+6.02+4.71+6.22=7.35-5.61-0.24=8.44-2.13-1.95+4.41=5.1-4.45+9.41=8.51-0.29-0.75=3.36-1+0.68=7.85+9.27+8.21=3.37+6-4.79+3.84=5.14-0.71+8.8+6.47=8.09-2.25+7.24+3.45=3.52-2.41=5.62-3.92+5.44+7.73=8.37+9.41+9.07=9.35-5.65+5.27-4.09=6.32-3.56-1.46-1.14=6.41+6.14+7.36-0.71=2.16-0.03=1.13+6.52+2.26-8.94=4.8+2.22-4.92=5.89+1.35+2.05-4.85=6.73+8.8+7.51+5.01=2.77+2.95-0.48=8.71+4.55+6.49=7.27-6.91-0.17=6.39+4.72=9.85-2.77-0.27-3.1=0.54+8.58-4.2=4.82+7.68-6.82+5.95=7.52-3.69+6.02-9.03=6.59-1.26+3.47+5.85=6.61-5.06+7.17-6.47=8.59-6.98+0.14-0.31=7.7-6.99-0.61+6.94=8.9+3.12+8.85+8.98=5.67+6.82-7.38+3.11=6.07+1.01+6.93-1.88=8.88+0.94+5.04+7.5=9.94-1.37-2.3-3.02=6.95+1.18=8.49+8.12-1.52=7.45-2.27+8.56-6.61=4.38+5.24-5.53+7.05=4.56-2.24-1.49-0.45=5.39-2.44-1.58+3.35=2.11+8.55+7.38-0.52=9.24-2.15-0.31=5.2-0.13-0.47-1.15=1.19+3.72=4.6-0.6-3.64+5.85=8.64-4.15+8.8+9.36=6.67-6.19+4.64-1.01=9.16+0.04-5.5=6.77-2.93+0.86-3.76=7.34-5.47+6.55=7.89+1.85+8.36-3.72=6+0.38-0.26=0.38-0.26+1.68+9.47=3.3-0.74+7.6-2.46=9.34+3.87-7.85=6.9-6.25+5.27-2.03=7.93-4.68+4.12+4.92=5.2-4.81=6.69+6.76-2.54+3.12=8.3+7.96+3.98-1.57=4.13-1.13+1.4=7.4+6.46+3.97+7.46=6.61+9.27-5.11-1.01=5.64+3.82-3.17-5.02=9.9-2.12-2.97=5.14+1.6-5.68=7.74+6.02+5.91-1.04=7.57-1.25-2.6+6.69=6.94-3.38+3.04-2.12=8.38+1.32-4.22-1.53=5.31+0.29=2.9+9.23-8.36=6.08+2.74+6=2.34+5.92+6.17-3.97=9.72-3.03-1.85-0.25=2.74+9.37-6.78-0.53=2.43+9-0.88-1.81=3.43-1.82+6.53-6.3=5.25+2.71+0.13+3.31=8.65-5.31=8.68-2.58+2.91-4.84=2+0.29+3.31=3.32-0.97-0.65+6.16=4.24-0.96=9.94-1-1.5=8.41-4.84-1.61-0.74=8.18-1.75-3.6-1.43=3.58+7.79-7.88+2.31=9.21-7.64-0.95=8.55+8.43=9.69-1.11-3.65-2.79=5.91-5.3+6.36+2.39=5.76-0.39=6.61+9.51+4.74=6.62-2.94+5.94+8.79=7.01-4.28+2.75=3.37+1.42-1.25-1.01=5.13-1.62-1.87=3.7+7.28=6.68+3.04-4.24-0.46=3.07-1.93-0.6+1.65=7.35+7.48-2.11=0.77-0.25+2.26=9.42-5.35+4.27=8.03+3.01+3.61-7.09=5.76-0.53+1.63-4.06=5.14+0.56=5.63+2.6-3.01-2.3=0.66+5.82+0.62=4.89-1.12+2.8-1.25=2.35+4.75+4.6+1.35=8.72-0.75-1.71-6.03=8.43+7.95-7.65-2.66=6.1-4.09+4.14-5.42=6.15-3.57=7.93-0.27-1.03-1.18=5.46+5.26+6.38-4.73=6.03-3.03+7.04-4.75=3.9+9.89-2.82-4.57=3.81+2.45=8.1-2.12+2.67+8.05=8.47-8.34+9.57=5.27+9.41=8.56-5.84+8.5-0.81=9.94+6.63-1.07+2.14=5.02-2.61+4.99-5.81=7.21+8.79-2.44=8.6-5.26-1.26=4.66-1.83=2.46-0.92=8.05-6.51+7.38-1.17=7.5-4.15+3.62+5.54=2.51-1.4+4.37=3.87+5.66=6.02-2.1+6.07+7.58=0.73+0.88+1.64=6.64-1.26-4.54+5.94=7.08-0.1-4.24=4.26+6.71+5.98+3.16=9.91-4.92+4.29+0.92=0.55+3.01=8.37-5.43=8.55-7.6+5.31-5.7=4.61-4.32=6.75-3.27-0.9-2.22=3.6+4.93-0.32-1.01=7.67-3.26+9-4.68=1.87+9.07=8.06+8=7.53-1.73+9.76=8.1-2.26-0.25+4.56=7.4+3.63-7.35+8.98=4.25+5.87-6.13+3.96=5.8+7.16-9.44=9.64+1.59-0.63-3.47=9.58-1.19-2.68-0.81=9.88+4.05-2.12+8.92=8.45-3.45-4.85+1.85=9.15+1.11-1.3+3.09=0.19+2.56+3.62-3.52=4.76+5.08+0.28-4.1=7.06+8.79+3.17+1.99=7.48-0.93-1.91-3.6=9.48+9.27=1.34+6.61-1.04=7.81-7.36+5.94=1.89+4.56-0.83+3.42=5.17-2.39+2.29=4.42+9.92+8.54-2.62=5.6-3.24-1.85+5.93=4.23+1.19+4.81=7.55+9.85-3.72-1.66=8.86-0.98+6.91-6.64=9.28+8.92+6.03-7.46=9.85-3.6-4.91+6.77=6.15-0.69-1.03+3.7=9.07-4.8-2.12=9.39-5.21-0.79-1.36=9.7-6.81-0.11-2.21=6.9-5.72=7.42-0.53+9.37=8.39-2.11+5.47-0.42=5.97+1.1-3.87+1.31=1.9+8.65-0.82+8.32=6.07+4.62+2.47=6.06-0.56-5.37+9.15=8.54+8.14+4.6-7.82=8.79+5.91+5.02=8.68+4.03-3.05-8.97=6.8-0.27-5.3=3.74-0.72+6.81-7.45=5.39-2.97-0.5=8+3.6+5.28=7.34-6.52+4.98+2.32=6.92+1.34=8.64-1.62-3.41-3.48=7.33+5.68-7.52+7.15=8.9-4.16=5.62-1.52-1.72=9.99+6.88-0.51+3.73=5.97+9.54-6.02+9.56=9.74-2.13-0.94-0.87=8.44-2.66-1.39+3.48=9.91-4.78+3.89-6.66=8.21+7.25+9.33=4.84-1.79-1.89=7.79-2.9+7.73-6.8=4.85+1.97=2.18-1.62=9.69+5.53+3.12+0.55=4.63+8.75-5.06-6.29=4.71+2.97+8.45-9.13=5.3-3.21=5.83-5.11=6.26+8.2-0.87-6.54=8.89+4.69+7.92-6.11=9.74-9.6+1.36=9.03-2.04-0.48-3.32=2.53-0.05+9.94=8.68+8.87=0.31+2.28=3.38+5.98+9.64-4.33=6.51+3.76+0.27=4.19-0.29+8.9-3.93=8.88+4.07+0.78-2.09=4.89+2.76-2.75-1.53=6.67-6.2+0.92+3.98=9.05+2.41+9.62-0.7=8.16-1.61-0.63-4.59=6.84-3.17-0.12=8.51-1.88+8.68=6.6+6.72-5.99+0.2=5.88-4.31=7.26-0.78-2.7-3.28=8-2.33-3.03=6.05-3.36-0.44=8.6+6.41-0.14=9.23-1.63+4.06=3.24+2.44+5.57=4.81+9.29-2.76+1.47=0.62+6.7+4.68=4.5+9.12-9.82=4.63+1.36-1.77+5.39=7.99-0.49-2.28+3.38=5.58+5.44+6.02+6.45=4.58-1.97+3.54=8.1-1.63+4=5.29-0.41+7.96=7.88+2.57+9.57+6.26=6.89+8.95-4.49=3.4-1.54+6.63-6.48=9.76-0.45-2=3.67-1.59+0.78=8.84-5.34=6.44+6.19-0.04-1.1=8.91-5.37+3.46+7.77=6.09-0.77+5.99+2.72=9.15-2.92-4.26=3.02-0.76=6.96+5.96-1.08-6.91=5.95-1.53-3.13=0.18+0.74=9.82-1.86+8.79=8.61-5.41+6.8=4.91+3.12-3.24=1.08+9.36+8.26=1.89+6.04=7.15-1.09+4.16+4.45=6.79+6.3-8.66-3.91=7.18+1.66+6.2+0.18=4.61+2.9-2.55=7.59+5.9-3.63-7.57=9.26+2.92-2.73-3.05=3.2+6.38=8.02+8.12-8.69=5.74+4.48=9.83+6.53-6.63=6.37-1.39+3.31-5.99=7.1-3.66+0.81=6.86+4.58-7.89+2.57=8.5-2.77+7.74-4.77=4.48+9.06+7.82=7.4+5.55+1.56+5.13=4.59-1.09+6.19=0.4+8.16+6.96-2.37=6.29+3.44-2.15=6.59+0.86-2.43-2.04=5.49+2.58-0.05+1.11=6.62-4.21=7.51-2.26-1.47=6.96+8.2=3.25+9.31-1.32-6.21=3.43+7.91-6.75=2.55+8.33-7.29=4.54-1.13-1.11=8.67+7.62-5.2-9.2=8.33-1.15-6.64+9.06=5.74+3.43+2.1-9.46=7.29+7.39+2.77=7.95+3.9=4.31+5.16+2.67-7.12=9.48+0.31+3.96+9.79=5.1-1.36-0.54+3.45=2.55-0.15+2.43+2.63=7.62+8.98+9.04+5.97=1.57+5.56-0.21-2.38=8.47+5.87=7.05-0.33-1.53-2.51=2.73+5.59=3.18+1.41+6.56+5.19=2.48-1.84-0.12=9.98-6.87+2.15+0.27=2.39+5.01-3.54=参考答案9+5.68-2.83+3.52=15.373.12+9.89=13.012.95+6.69+4.65=14.299.31+2.17-4.93-2.93=3.623+5.69-5.82+9.26=12.137.43+1.65=9.086.97+4.06-8.04=2.996.55-0.83-0.05+0.93=6.67.91-0.43-1.11=6.377.26-3.72-1.04+1.9=4.49.75-3.29-5.09-1.06=0.319.72-3.38+5.13+8.08=19.558.98-0.92-4.21-3.18=0.676.72-4.13-2.08=0.519.8+8.85-1.82-3.97=12.868.75+7.93+5.17-2.11=19.748.67-4.14=4.531.51+3.1+7.89=12.51.45+0.57=2.029.96-5.78-3.95+7.39=7.629.37-3.21+6.31-9.02=3.453.13+6.63-2.73-4.47=2.569.37+0.37+0.95+8.76=19.459.97-1.31+3.88+5.33=17.879.24-7.64=1.66.44+1.16+2.82+9.77=20.195.26-1.62+7.84=11.483.01+6.43+5.95-8.93=6.466.34+0.02-0.92=5.444.73+9.99-9.01-1.41=4.38.72-1.33-1.81-1.97=3.610.36+9.16+1.88=11.44.82-2.01+8.75=11.565.5+2.09-3.61+8.24=12.228.2+8.68-2.18-3.82=10.883.34+7.09-0.43-8.92=1.088.41-0.27=8.145.57+2.37-2.66=5.289.17+9.81+5.76+6.82=31.569.82-1.37-2.52-5.32=0.619.73-1.65+0.81+3.17=12.061.6+9.06+7.79-1.28=17.179.22-1.6-0.2-4.86=2.567.96-0.69-4.98-1.75=0.548.98+4.96-3.37+6.67=17.245.29+5.88-0.93=10.247.56-1.89-1.9-1.59=2.188.49-0.16-2.24-1.5=4.592.85+5.07+4.5+6.26=18.689.72-2.88+2.28=9.121.3+1.66+9.73=12.699.17-0.11+3.8-4.66=8.29.69+8.2+4.45-7.78=14.565.44+9.88=15.329.41-9.09=0.324.71-0.93-2.4=1.384.35-2.67=1.687.46-5.06+6.66=9.063.57+5.79=9.366.22-0.67+9.19-3.9=10.842.95+7.93+7.72=18.69.52+4.36+1.7-5.69=9.895.88+8.96-0.07-3.47=11.34.62-0.48+3.16-5.03=2.279.12-5.65=3.478.06-3.51=4.558.3-1.2+9.97+0.57=17.645.8+0.72=6.526.55+8.78-8.36=6.973.37+6.34+2.75-9.19=3.276.19-0.09+8.32+1.44=15.865.44+3.07-3.22+4.76=10.055-4.35=0.655.09-2.32+2.61-0.35=5.037.75-3.94-0.02=3.795.02+1.36-1.77-0.07=4.546.13-1.28+5.92-6.26=4.519.27-0.51-5.26+9.74=13.244.92-2.84=2.086.95-3.14+4.64=8.455.99+0.42+7.46+9.45=23.329.09+6.88+1.29-9.88=7.387.79+9.88+6.61+0.15=24.431.55+3.02+3.94+4.57=13.083.34+5.01+4.39+0.38=13.128.8-5.83-2.58+9.62=10.018.09-6.09-0.7=1.37.19+2.64-3.53=6.39.14+9.08-5+9.21=22.439.37-0.09-3.97-2.25=3.063.31-2.88+3.05=3.485.01+6.4+3.07=14.481.12+9.7=10.823.53+6.69-1.53+7.63=16.329.78-0.29-2.39-4.76=2.341.52+5.35+8.24+9.96=25.075.59+8.03+9.83-2.6=20.859.01-3.31-3.45+1.08=3.338.02-1.4=6.629.53-0.22-0.33=8.989.96-4.82-1.03-2.88=1.238.66+6.12-7.62+4.5=11.662.4-1.18=1.228.79-1.2-3.94+5.58=9.237.54-6.19+8.01=9.369.77+0.68-0.11-9.2=1.142.5+8.36+2.13=12.999.38-0.93-1.24=7.215.16-0.83-0.48-2.14=1.716.26+5.75+6.71=18.728.7+3.76=12.465.35+7.41+4.84+8.01=25.617.24-0.75-6.23=0.265.7+2.67-3.92+1.87=6.325.23+9.97-5.02+3.56=13.748.38-2.94-1.95+9.77=13.269.42+7.83+2.49-4.62=15.120.56+1.77+7.34=9.673.09-0.29=2.86.78-5.4+5.26+4.41=11.056.1-1.74-2.34+5.34=7.369.29-2.3-4.6=2.398.89-1.65-4.82=2.429.4-0.78+5.63=14.258.66+4.06-9.44+2.22=5.51.24+1.75-1.28=1.719.86+8.87=18.739.42-0.81+2.4-5.04=5.971.67-0.69=0.985.28+8.61=13.894.48+9.15=13.633.49+9.9+2.48-9.38=6.490.52+3.88-2.15=2.254.81-0.79-0.5=3.529.86-5.71=4.154.38-1.82-1.16+2.28=3.689.9-4.38+2.7=8.226.62-6.16+9.69+8.17=18.327.06+3.22-9.11+8.8=9.974.69+2.71+4.95-1.5=10.858.46-2.64-1.46+2.84=7.28.63+4.52-2.51-4.11=6.530.38+9.72+1.2=11.32.68+5.73+8.79-7.74=9.461.35+5.66-3.99=3.023.41-1.76+7.34-2.12=6.872.42+4+1.39=7.816.27+6.89+7.8-9.93=11.035.84+8.59-4.01=10.422.74+5.99-0.38=8.358.76-1.51-1.15=6.16.97-6.11+7.82-6.09=2.595.02+0.22+7.93=13.178.14-7.61+3.93+3.85=8.316.49+6.08-2.26+6.35=16.669.66-4.86-1.08-3.08=0.647.56+9.21+0.27+4.91=21.955.24-0.51-3.42-0.2=1.116.75+7.25+7.71+9.95=31.667.07-2.81-1.01-0.34=2.910.1+8.71+8.79-9.74=7.865.71-3.67-0.82=1.229.31+4.51-6.35=7.474.88-0.92-0.19-0.46=3.315.65+3.78+1.44+1.89=12.763.46+8.04-1.51+2.8=12.797.17-0.46+9.53-7.67=8.573.81+8.49+5.58=17.889.84+3.01-9.28=3.573.28+6.01-5.92-0.83=2.547.49+3.43+3.46+3.85=18.239.63-2.66-2.61-3.76=0.65.53-3.52+5.39+8.65=16.055.57-1.98-0.3-3.16=0.134.7+9.28=13.989.5-4.09-1.2-0.91=3.35.99-2.9-2.48+4.57=5.187.78-0.25-1.35=6.188.55-0.87+8.61=16.297.45-3.94+7.72+7.59=18.822.05+1.53+6.89=10.478.03-3.77-0.53+8.63=12.369.66-3.66+6.95+6.78=19.736.47+5.99-1.51=10.953.32+0.11-2.51=0.925.81-3.33+4.63=7.110.22+8.87+7.62+6.28=22.994.41+6.45+2.61+4.29=17.761.74+5.22+1.26+7.67=15.899.22-1.35-0.62+7.18=14.434.87+9.23-8.63+7.91=13.382.02+8.83=10.853.44+6.81+2.15-4.53=7.870.5+7.85+9.18+1.04=18.577.63-1.4+2.72+4.63=13.589.29-2.26-4.21+4.82=7.649.14-1.34-1.26=6.549.83-3.89+4.6+6.08=16.628.95-7.71+6.09+8.21=15.547.51-1.21-5.28-0.43=0.590.17+8.2=8.378.33-7.43+0.58=1.487.77+2.02+3.6+7.81=21.29.76-3.22+6.87+3.12=16.538.58-1.17-0.48+5.83=12.768.19+9.37-3.49+0.86=14.938.18-7.97=0.219.76-5=4.762.32-0.21+3.54=5.657.61+2.7=10.318.43+5.83-1.89-5.44=6.930.9+8.12-0.25=8.774.92-3.95+4.37=5.347.87-0.08-0.44-6.51=0.844.27-3.36+6.36-1.2=6.076.91-1.32+7.21+5.16=17.967.98+8.15+0.11-4.88=11.360.04+5.72+9.57=15.338.89-1.19+8.67=16.373.06+6.36-0.6=8.823.86+9.58+9.72+4.12=27.285.77+5.44=11.218.63-3.55+2.04-4.35=2.777.3+0.57+5.37=13.241.34-0.47=0.879.69+9.98-4.09=15.581.5-0.97+3.47+2.13=6.139.56-0.08-0.69=8.798.29+7.3-2.49-3.32=9.783.99-2.72=1.272.89+8.83+6.35+4.19=22.263.49+7.11+3.08-6.47=7.215.55-5.11=0.448.32+7.77-3.25=12.843.05-0.75+6.83-6.73=2.49.66+2.06-6.71+2.2=7.211.19+6.23+4.27=11.699.8+1.36-8.89=2.275.67-4.66=1.018.41-1.24-6.75+1.32=1.740.46+6.29+4.31=11.067.66-1.51+0.12=6.279.08+5.43=14.518.15+7.85+7.58-4.89=18.698.86-5.03=3.834.56+1.26+4.55-7.73=2.644.53-2.81=1.728.84-4.22-2.04+1.96=4.546.16-0.02-1.14=50.27+3.32-1.7+6.07=7.967.32-5.99+2.86+4.73=8.925.05+1.88+1.11=8.047.5+1.66+7.81+3.51=20.488.42-6.76+5.24=6.95.92+0.35=6.279.22-0.6-2.28-1.91=4.438.9+4.92-4.19+2.66=12.297.85-0.22+6.36+2.28=16.276.38-2.56-3.43+4.07=4.468.59-5.39=3.28.07-4.04+1.69=5.727.95+4.13+9.22=21.33.85-0.78-2.65+3.45=3.876.19+3.56+4.53+8.86=23.144.6+3.95-0.56-3.69=4.33.59+9.31=12.97.71-6.17+9.68=11.225.22-0.68+6.69-7.81=3.429.38-4.75+3.88=8.514.99-3.32-1.04+7.3=7.938.8-5.47=3.336.87-4.27-1.5=1.18.98+5.7=14.683.99-3.19-0.18=0.621.11+8.18-0.45+1.51=10.355.46-5.29=0.171.04+7.23+3.33=11.68.19+4.35+0.22-5.53=7.234.39+3.62-2.44=5.578.08+3.78+1.76=13.629.4-3.33-3.89+0.05=2.238.2-3.49+9.59+8.43=22.738.69-1.41-6.33=0.956.73+8.25-7.19-7.47=0.324.13+7.76-2.73-0.64=8.529.3+4.83-5.24+6.22=15.118.16-0.96-1.43+1.96=7.739.56+4.37+4.94+7.41=26.289.15-5.55+4.28-6.69=1.199.87-0.27-2.79+3.46=10.274.33-4.09+2.56=2.80.84+5.52=6.367.39-1.99-1.28+8.79=12.911.49+0.06=1.553.2+7.27-0.51-2.43=7.538.39+1.16+1.99+5.23=16.771.26+0.64=1.92.77+7.63+2.93+8.8=22.138.82-2.7-1.64-4.09=0.395.17-3.79+0.21=1.596.81-5.9-0.36+6.86=7.419.46-8.18+9.36+5.11=15.756.66-5.58+6.08+3.33=10.495.09-1.49-0.97=2.638.51-4.26+6.71=10.966-1.98+2.78+8.08=14.886.37+3.54-5.05=4.868.05-7.8+8.21-3.36=5.18.51-3.33-2.16=3.024.55-0.28-0.72+5.84=9.395.73-1.97=3.769.09-3.76-4.98+8.94=9.297.64-6.68+2.19=3.154.08-3.76=0.323.15+6.75-7.32+1.93=4.510.21+7.9+2.98-9.21=1.882.53-0.09+6.21+1.78=10.439.55-0.64-6.95+9.15=11.113.29+1.04+7.39=11.720.71+1.28+8.28-3.43=6.848.06-4.63+4.51+9.81=17.757.8-4.56-0.91-2.09=0.244.51+5.26+5.67=15.443.02+8.85-4.87+0.64=7.649.48+9.44-5.99-0.25=12.682.73+3.02+3.21-3.89=5.073.14+8.19-2.55-5.99=2.795.42-3.15+6.13-7.41=0.997.39-0.78-0.96-3.89=1.765.75+4.32+5.39-4.07=11.396.55-4.58=1.979.76-8.43-0.88=0.455.54-3.12+5.29+1.23=8.943.68+7.32+5.93=16.933.47+6.16+9.33=18.961.79+9.51=11.33.66+9.83-8.07=5.425.07-2.3+5.3=8.078.84+6.03+8.1=22.979.68+2.35+4.33-6.64=9.722.49+0.87+1.35=4.712.88+3.33+4.6-1.42=9.392.99+6.16+7.74+0.19=17.086.79+7.55+2.64+1.81=18.796.49+5.03-7.16=4.361.57-1.32+2.86=3.118.82-7.48=1.348.16+6.8-1.97-9.99=38.92-0.28-0.43-3.93=4.285.93-4.61=1.324.54+7.98+1.78=14.38.58-2.77-3.55=2.260.11+5.98+0.77=6.864.52+7.51-6.9=5.135.26-3.49+1.32-0.04=3.058.34-4.1+5.58-6.48=3.348.47-4.98-1.62-0.95=0.929.25+8.25+2-1.14=18.367.71-5.27+2.31+9.19=13.943.27+2.23-1.09-0.91=3.58.36-1.26-3.59-3.11=0.49.71-2.28-0.03+9.08=16.486.39-1.75+6.05=10.690.66+5.97-2.7-2.8=1.134.48+1.55-0.41-2.12=3.52.86+4.55+7.28=14.696.94+6.48-3.05=10.378.25+5.14-7.32+5.56=11.632.44-0.07-0.46+5.36=7.275.51+3.77-1.88+3.63=11.033.76-2.94=0.828.72-4.99-2.02-1.59=0.125.64-3.5=2.147.55+7.39-6.8=8.142.37-2.01+9.17-7.47=2.066.85+6.81-7.4+8.59=14.859.54+9.56+0.14+7.74=26.988.54-4.24+1.35-0.09=5.569.87-2.58-1.94=5.352.42-1.64+6.5-0.9=6.389.5-0.99-5.68+1.6=4.436.71-2.67-1.48-2.26=0.37.01+5.9-7.17-2.93=2.817.04+1.31+2.17+4.73=15.250.27+2.15=2.429.16-2.71+9.36+4.3=20.117.9-2.97-2.12=2.815.48-0.62-0.12-0.78=3.963.92-0.1+0.91=4.735.83-2.76-1.13+8.31=10.256.76-6.55+3.8+9.89=13.97.53-2.13-4.75-0.16=0.498.78+1.93=10.718.9+6.33-4.32+9.05=19.966.18+7.92-0.19+4.38=18.297.61+4.26-2.3-8.63=0.948.84+6.59+7.88+0.35=23.669.57-2.31-4.01=3.255.26+3.98+5.63+4.76=19.630.26+7.34+4.52+1.45=13.573.86+9.63-9.53=3.965.81+8.18-2.08-0.37=11.542.28+0.31+2.87=5.468.07-7.71+8.04+0.02=8.428.69+9.38=18.079.66-2.04-5.53+9.87=11.963.84+8.27-2.75+1.54=10.96.49+7.17+6.19-7.88=11.978.29+7.49-2.27=13.513.67+7.84-0.24-5.01=6.266.3+8.61+5.85=20.764.7-2.89+8.72-4.17=6.362.05-0.24+9.26+0.57=11.649.96-0.61+7.37-0.31=16.418.46-1.81-3.83=2.827.44-1.03=6.418.1+3.13+6.68-6.29=11.625.47+3.57=9.049.23+1.38+0.19-8.62=2.188.96-5.24+6.26+3.26=13.243.88+7.88-2.74=9.022.74+6.47+4.62=13.832.95+4.27-5.42+3.26=5.064.73-0.78-2.83=1.123.72+3.63-0.28-5.72=1.356.45+9.1-0.31+3.86=19.17.11-2.67-2.12+9.98=12.39.01-1.75=7.266.44-1.49+5.1+8.56=18.615.37+3.02+1.18+4.13=13.76.35-2.36+2.1+9.44=15.539.76-1.54-1.43+1.88=8.676.38+4.61+7.31+2.05=20.358.7+8.4-4.82+0.23=12.510.29+5.72+1.13+8.9=16.047.25-2.92+5.06=9.390.41+6.54+8.47+2.37=17.798.62-1.39-6.88=0.355.93+6.32+7.47=19.723.11+6.02+4.71+6.22=20.067.35-5.61-0.24=1.58.44-2.13-1.95+4.41=8.775.1-4.45+9.41=10.068.51-0.29-0.75=7.473.36-1+0.68=3.047.85+9.27+8.21=25.333.37+6-4.79+3.84=8.425.14-0.71+8.8+6.47=19.78.09-2.25+7.24+3.45=16.533.52-2.41=1.115.62-3.92+5.44+7.73=14.878.37+9.41+9.07=26.859.35-5.65+5.27-4.09=4.886.32-3.56-1.46-1.14=0.166.41+6.14+7.36-0.71=19.22.16-0.03=2.131.13+6.52+2.26-8.94=0.974.8+2.22-4.92=2.15.89+1.35+2.05-4.85=4.446.73+8.8+7.51+5.01=28.052.77+2.95-0.48=5.248.71+4.55+6.49=19.757.27-6.91-0.17=0.196.39+4.72=11.119.85-2.77-0.27-3.1=3.710.54+8.58-4.2=4.924.82+7.68-6.82+5.95=11.637.52-3.69+6.02-9.03=0.826.59-1.26+3.47+5.85=14.656.61-5.06+7.17-6.47=2.258.59-6.98+0.14-0.31=1.447.7-6.99-0.61+6.94=7.048.9+3.12+8.85+8.98=29.855.67+6.82-7.38+3.11=8.226.07+1.01+6.93-1.88=12.138.88+0.94+5.04+7.5=22.369.94-1.37-2.3-3.02=3.256.95+1.18=8.138.49+8.12-1.52=15.097.45-2.27+8.56-6.61=7.134.38+5.24-5.53+7.05=11.144.56-2.24-1.49-0.45=0.385.39-2.44-1.58+3.35=4.722.11+8.55+7.38-0.52=17.529.24-2.15-0.31=6.785.2-0.13-0.47-1.15=3.451.19+3.72=4.914.6-0.6-3.64+5.85=6.218.64-4.15+8.8+9.36=22.656.67-6.19+4.64-1.01=4.119.16+0.04-5.5=3.76.77-2.93+0.86-3.76=0.947.34-5.47+6.55=8.427.89+1.85+8.36-3.72=14.386+0.38-0.26=6.120.38-0.26+1.68+9.47=11.273.3-0.74+7.6-2.46=7.79.34+3.87-7.85=5.366.9-6.25+5.27-2.03=3.897.93-4.68+4.12+4.92=12.295.2-4.81=0.396.69+6.76-2.54+3.12=14.038.3+7.96+3.98-1.57=18.674.13-1.13+1.4=4.47.4+6.46+3.97+7.46=25.296.61+9.27-5.11-1.01=9.765.64+3.82-3.17-5.02=1.279.9-2.12-2.97=4.815.14+1.6-5.68=1.067.74+6.02+5.91-1.04=18.637.57-1.25-2.6+6.69=10.416.94-3.38+3.04-2.12=4.488.38+1.32-4.22-1.53=3.955.31+0.29=5.62.9+9.23-8.36=3.776.08+2.74+6=14.822.34+5.92+6.17-3.97=10.469.72-3.03-1.85-0.25=4.592.74+9.37-6.78-0.53=4.82.43+9-0.88-1.81=8.743.43-1.82+6.53-6.3=1.845.25+2.71+0.13+3.31=11.48.65-5.31=3.348.68-2.58+2.91-4.84=4.172+0.29+3.31=5.63.32-0.97-0.65+6.16=7.864.24-0.96=3.289.94-1-1.5=7.448.41-4.84-1.61-0.74=1.228.18-1.75-3.6-1.43=1.43.58+7.79-7.88+2.31=5.89.21-7.64-0.95=0.628.55+8.43=16.989.69-1.11-3.65-2.79=2.145.91-5.3+6.36+2.39=9.365.76-0.39=5.376.61+9.51+4.74=20.866.62-2.94+5.94+8.79=18.417.01-4.28+2.75=5.483.37+1.42-1.25-1.01=2.535.13-1.62-1.87=1.643.7+7.28=10.986.68+3.04-4.24-0.46=5.023.07-1.93-0.6+1.65=2.197.35+7.48-2.11=12.720.77-0.25+2.26=2.789.42-5.35+4.27=8.348.03+3.01+3.61-7.09=7.565.76-0.53+1.63-4.06=2.85.14+0.56=5.75.63+2.6-3.01-2.3=2.920.66+5.82+0.62=7.14.89-1.12+2.8-1.25=5.322.35+4.75+4.6+1.35=13.058.72-0.75-1.71-6.03=0.238.43+7.95-7.65-2.66=6.076.1-4.09+4.14-5.42=0.736.15-3.57=2.587.93-0.27-1.03-1.18=5.455.46+5.26+6.38-4.73=12.376.03-3.03+7.04-4.75=5.293.9+9.89-2.82-4.57=6.43.81+2.45=6.268.1-2.12+2.67+8.05=16.78.47-8.34+9.57=9.75.27+9.41=14.688.56-5.84+8.5-0.81=10.419.94+6.63-1.07+2.14=17.645.02-2.61+4.99-5.81=1.597.21+8.79-2.44=13.568.6-5.26-1.26=2.084.66-1.83=2.832.46-0.92=1.548.05-6.51+7.38-1.17=7.757.5-4.15+3.62+5.54=12.512.51-1.4+4.37=5.483.87+5.66=9.536.02-2.1+6.07+7.58=17.570.73+0.88+1.64=3.256.64-1.26-4.54+5.94=6.787.08-0.1-4.24=2.744.26+6.71+5.98+3.16=20.119.91-4.92+4.29+0.92=10.20.55+3.01=3.568.37-5.43=2.948.55-7.6+5.31-5.7=0.564.61-4.32=0.296.75-3.27-0.9-2.22=0.363.6+4.93-0.32-1.01=7.27.67-3.26+9-4.68=8.731.87+9.07=10.948.06+8=16.067.53-1.73+9.76=15.568.1-2.26-0.25+4.56=10.157.4+3.63-7.35+8.98=12.664.25+5.87-6.13+3.96=7.955.8+7.16-9.44=3.529.64+1.59-0.63-3.47=7.139.58-1.19-2.68-0.81=4.99.88+4.05-2.12+8.92=20.738.45-3.45-4.85+1.85=29.15+1.11-1.3+3.09=12.050.19+2.56+3.62-3.52=2.854.76+5.08+0.28-4.1=6.027.06+8.79+3.17+1.99=21.017.48-0.93-1.91-3.6=1.049.48+9.27=18.751.34+6.61-1.04=6.917.81-7.36+5.94=6.391.89+4.56-0.83+3.42=9.045.17-2.39+2.29=5.074.42+9.92+8.54-2.62=20.265.6-3.24-1.85+5.93=6.444.23+1.19+4.81=10.237.55+9.85-3.72-1.66=12.028.86-0.98+6.91-6.64=8.159.28+8.92+6.03-7.46=1