小学四年级数学《小数加减法》口算800题.DOC

第1天8.78-0.52= 1.27+0.31= 8.42-7.04= 16.76+6.61= 0.41+0.95=4.15+7.08= 2.59+9.10= 3.51+9.00= 4.54+2.55= 8.70+1.16=1.31+5.61= 7.21-0.77= 8.64-7.85= 8.68+0.84= 2.62+3.19=5.93-1.20= 3.66+5.90= 6.14-2.01= 5.58+0.13= 5.15-4.79=5.29+6.33= 5.86-1.95= 3.79-3.47= 8.89-0.20= 7.42+9.92=3.58-2.87= 7.31-2.51= 8.81-5.75= 6.67-2.72= 3.04+5.71=1.73+4.32= 4.47+9.24= 8.53+3.94= 8.36-3.72= 6.78-1.84=6.35-2.83= 4.36+7.50= 7.57+6.82= 5.18+2.34= 8.74-6.93=7.96+2.29= 4.58+5.79= 1.05+9.02= 第2天4.30-4.19= 4.94-2.06=7.93-4.75= 6.03-2.94= 4.62+3.02= 9.32+3.40= 5.43+3.23=3.55+5.33= 8.21-4.90= 2.38+2.40= 9.28+1.69= 6.89-0.88=4.97+7.29= 3.34+4.51= 6.29+0.67= 9.60+0.73= 2.23+5.50=9.81-0.09= 2.80+6.46= 7.74+1.48= 4.22-2.66= 8.28+7.36=7.48-6.52= 4.64-3.25= 5.62+2.82= 6.63+7.16= 5.94-0.36=8.80+7.97= 7.87+9.72= 8.76+0.75= 7.37-4.92= 7.52-1.82=3.42+6.99= 4.06+4.85= 7.55+7.05= 9.40-8.83= 7.41-2.14=2.53+4.77= 8.23-2.35= 4.45+6.35= 1.00+4.02= 5.20-1.50=27.38+4.83= 第3天26.75+2.83= 3.64-2.58= 6.52-3.44= 15.31+13.51= 5.5+4.5= 3.27-2.49= 11.65-7.39= 19.01-7.99= 7.51+0.49=5.48-3.25= 4.8+18.9= 10.3+58.7= 8.03-4.56= 9.03-8.57=8.25+1.55= 9.43-9.05= 1.75+2.08= 4.28-3.37= 4.13+2.24= 4.17+2.53= 5.07-0.98= 5.67-0.73= 13.18+5.27= 5.16+7.89=26.8+3.02= 6.07-4.993= 3.7+2.36= 15.4+2.97= 10.2-8.75= 7.3-2.25= 3.8+3.54= 3.05-2.9= 3.1-2.07= 12.7+6.58=7.81-3.735= 12.16+5.347= 0.4-0.125= 18.7+3.96= 9.6+4.78= 5.67-0.845= 0.506-0.19= 11.04-7.3= 1.4-0.405= 第4天62.1-17.07= 1.4-0.405= 3.906+0.66= 43.5-27.34= 15.98-3.9= 75.6-3.55= 5.94+10.7= 12.03+0.875= 37.8+3.02= 0.704-0.25= 10.1-0.55=27+8.03=26+7.98= 13.99+1= 7.88+2= 28-3.56= 10-0.81= 10-0.36= 20-0.92= 8-7.089= 95-9.85= 20-9.42= 35.09-11= 96.85-85= 45.45-45= 10-0.41= 45-0.45= 3.57+3=1.5-0.5= 1-0.9= 2.30.6=0.90.8= 1-0.3= 3.4-1.5=1.9-0.9= 3.5-2.4= 0.36+0.64=3.5+ 4.2= 6 -0.5= 2.7-0.4=0.8+ 0.7= 4.5-3= 7.8-1.1=第5天1.5-0.5= 1-0.9= 2.30.6= 0.90.8= 1.9-0.9= 3.5 -2.4= 0.360.64= 0.96-0.3= 8.65-6.31=2.5+0.9= 1.2-0.5= 7.8+1.6=0.39+0.15= 3-1.4= 4.7-2.8=7.2-6.45= 15-0.48= 6.77-1.78=3.45+5.75= 3.40+58.20= 49.80+49.20=111.6-99= 7.8+21.02= 5.6-1.42=12.5+0.9= 4.5-2.83= 3.75+2.25=2.98+0.56= 12.53+4.67= 6.07+4.89=5.64-1.78= 10.2-6.45= 5-0.41= 0.3+1.5= 2.5+9.8= 7.6+1.3= 4.4+5.7= 2.3+7.7= 5.7+3.1= 7.69+2.31= 9.16+2.64= 5.68+12.22= 16.8+16.5= 第6天26.3+14.6= 6.9+3.4=52.3+64.7= 12.75-5.3= 8.24+16.93=0.750.4= 200.78=4.84.2= 5.7-3= 4.9-1.7= 1.340.8= 2-0.75= 8.70.03= 0.2-0.09= 8.52.5= 2.4-1.4= 0.680.42= 7.82-7.2= 29.1= 0.480.52=8.1-5.1= 0.78-0.24= 0.80.18= 0.89-0.25= 1-0.98= 0.90.1= 1-0.8= 4.5-4= 5.64= 10-4.4= 66.6= 9.5-2.7= 1-0.55= 3.74.8= 73.3= 3.250.75= 2.73.9= 0.70.9= 0.91= 14.6-0.4= 10-0.1= 140.78= 32.7= 第7天5-0.08= 1.642.35= 1.1-1= 8.34-6.22= 1.34.3= 7.26.9= 9.3-8.8= 4.415.99= 19.8-5.6= 96.3-56.2= 79.256.8= 1.925.793= 88-69.21=136.5-105= 73.4+52.1= 93.1-20.9=63.1-11= 0.33+9.8= 7.8+6.9= 0.2+2.7= 5.6+4.4= 9.4+0.06=0.7+0.4= 0.5-0.45= 10-0.1=1.8-0.9= 12.6-1.2= 17+0.33= 1.01+0.6= 7-0.05= 9-0.26=6.14+3.83= 7.93-1.64= 5.23-2.36=3.44+3.36= 8.63-3.48= 1.16+4.77= 7.74-5.85= 9.35-4.74= 4.93+4.75= 8.17-5.26= 2.26-0.86=6.55+4.68= 第8天1.1+4.5= 1.9+3.4= 3.45+4.6= 4.45+4.5= 9.4-2.75= 7.3-1.26= 3.83+5.55= 2.75+1.3= 7.6-2.15= 1.9+6.2= 7.1-6.6= 6.8-2.8= 44.4+1.4= 1.7+9.66= 43.3+6.3=55.5-1.9= 38.9-5.55= 64.41+8.67=0.70.9= 3.80.6= 8.24+3.76=4.1-3.8= 140.78= 14.6-0.34=1.3+8.56= 0.8-0.55= 1-0.03= 30.5+3.05= 0.8-0.45= 3.250.75=0.78+2.2= 5-0.08= 10-0.1=10-7.64= 13.68.46= 0.991.1=1.23+6.52= 5.32-0.93= 6.35-5.23= 1.23+5.69= 1.26+5.21= 0.96-0.23= 7.26-4.93= 第9天2.16-0.23= 4.63+8.9=9.28+7.32= 5.2-0.9= 2.65+9.32=7.65-6.23= 8.28+4.75= 9.23+5.45= 6.23-4.53= 8.52+4.65= 5.2+2.63= 4.62+8.95= 7.24+6.21= 3.8-2.3=0.70.9= 0.80.6= 8.243.76= 4.1-3.8= 140.78= 14.6-0.34= 1.38.56= 0.8-0.55= 10-0.1=4-0.04= 1-0.03= 30.53.05= 0.8-0.45= 0.782.2= 5-0.08= 3.250.75= 8.65-6.31= 10-7.64=13.68.46= 0.991.1= 3.17+3.43=6.82+15.55= 34.85-11.73=75.80+59.35=50.10-48.60=91.91-75.10=53.73-31.75=64.48-14.42=39.03-14.98=第10天28.36-24.00=61.83+69.95=65.36-38.06=29.37-18.02=42.09-32.46=64.39+40.78=18.08+34.00=47.63-31.59=17.42-10.44=16.24-14.18=55.89-28.75=67.23-19.17=22.04+80.13=1.2-0.12=1-0.385=3.2-2.3=0.76-0.38=15-7.3=2.1+0.2=0.3+0.7=3.6+1.6=7.5-0.5=2.13-0.02=3.51+0.2=102+0.3=1.12-1.02=4.5-0.01=1.9-0.4=3.14-2.33=5.15+9.71=8.37+8.19=3.61-1.64=2.91-1.78=7.84-1.52= 6.86+3.33= 2.15+9.08= 4.3-3.02= 2.12+6.52= 6.52-6.41= 8.51-3.54= 7.34-1.67= 9.66-1.72= 4.94+2.59= 第11天1.95+8.08= 1.84-1.84= 2.74+8.8= 3.14-2.41= 2.13+4.01= 9.41+5.76= 8.66-2.83= 6.94-6.53= 3.5-2.76= 9.86-8.23= 7.79-5.83= 4.3+4.1= 4.17+9.86= 3.78-2.13= 5.28-4.32= 9.43+3.41= 6.95+3.18= 9.04-3.61= 1.86+4.36= 3.91+9.77= 8.19-2.65= 8.31+5.23= 7.34+4.27= 4.85-2.05= 1.57-1.23= 2.8+1.5= 6.63+5.23= 66.54-15.7= 21.97+56.16= 61.14+33.59= 93.24-67.69= 45.37-19.21= 23.33-15.75= 38.59-36.15= 86.32-34.9= 12.95+83.64= 84.76-16.52= 24.42-23.35= 11.12-10.15= 94.64-13.78= 97.07+9.25= 76.87-33.61= 88.82-28.33= 第12天79.65-44.07= 58.82-54.89= 64.43+10.14= 54.98-47.09= 35.63+26.27= 48.33+12.01= 99.13+9.5= 51.51-36.56=85.85-72.41= 94.23+7.53= 87.93+10.39= 62.78+14.35= 79.45-37= 63.25+35.62= 19.5-19.14= 24.09+61.51= 97.41+3.31= 96.82-54.49= 14.9-10.19= 36.56-15.66= 75.51-47.05= 83.36-77.9= 27.9+59.04= 77.51-39.11= 41.69+25.99= 16.04+50.21= 7.03-5.09=4.44-1.83= 1.56+9.02= 9.3-6.4= 8.06+2.5= 5.02-1.33= 3.93-1.7= 6.01-2.49= 8.54-5.73= 6.71+7.47= 5.34+9.63= 9.13-4.82= 7.23-1.27= 6.76-6.29= 3.48-1.11= 6.88+5.67= 6.02+7.35= 第13天4.69+1.4= 5.14+5.48= 2.32+9.24= 4.41+7.73=1.76-1.02= 9.78+6.01= 4.05-1.4= 6.85+5.52= 3.17+8.75= 8.64-7.78= 6.99+5.11= 1.62+3.44= 4.88-1.76= 7.67+1.56= 2.86-2.5= 4.99-3.11= 2+9.32= 2.82+2.84= 2.54+8.14= 8.09+3.52= 4.23+2.15= 4.37-2.95= 5.56-2.42= 9.65-4.05=9.88-7.81= 66.29+27.15= 68.55+21.42= 47.87+46.9= 69.41+25.29= 25.45-16.34= 30.31-30.25= 21.9+62.18= 98.52-58.64= 89.39-57.57= 26-20.56= 54-44.22= 51.1+24.48= 10.23-10.11= 38.16+34.93= 51.75+10.02= 56.29+40.09= 94.6+6.33= 84.72-53.34= 第14天42.44+49.35=17.3+25.13= 77.22+18.19= 79.38+11.15= 55.31-22.88= 76.66-52.53= 61.16-55.76= 70.59+11.67= 24.85+55.96= 10.56+56= 71.68+19.85= 57.48+22.99= 72.31+22.74= 96.66+7.15= 88.25+11.38= 85.37+11.56= 53.02-11.37= 43.34+20.21= 21.72-14.89= 77.48-74.53= 38.3-20.16=12.5+74.88= 15.91-10.08= 82.65+12.55= 3.99+5.87= 3.1+1.5= 5.99-1.68= 4.86+2.93= 1.51+4.59= 3.61-3.19= 7.38-4.02= 3.83-2.44= 3.62+5.2= 9.83-4.3= 5.05-3.75= 4.86+6.41= 5.75-2.52= 8.7-2.27= 2.24+4.16= 9.76-7.75= 7.19+7.13=1.39+9.9= 7.61-6.4= 第15天4.3+7.54= 1.26+6.82= 2.06-1.14= 6.52-1.66= 6.78-3.09= 3.32-1.41= 8.27+7.55= 1.28+1.04= 5.34+3.49= 6.87+5.21= 7.34+2.82= 4.05+4.26= 7.41-1.74= 2.49+7.68= 7.39-4.54= 9.66-9.43= 3.54+9.56= 3.37-2.14=4.74-4.51= 9-8.31= 3.19-1.62= 1.15-1.08= 6.22-2= 6.22-2.26= 3.3+8.05= 7.79-4.95= 3.76+9.9= 9.84+9.59= 2.11-2.11= 4.19-2.63= 5.14+6.27= 4.75+2.72= 4.7-2.56= 1.31+5.23= 5.2+1.98= 7.33-2.02= 3.73-2.44= 5.22+3.36= 4.1+3.53= 8.87+2.18= 2.28-1.87= 1.33+3.93= 3.13-1.82= 第16天6.22+8.24= 6.06-2.54= 6.73+5.92= 3.11-1.79= 5.05+1.06= 7.35-3.67= 8.85+5.61= 1.09-1.07= 4.41+7.09= 1.4-1.37= 3.23+6.28= 5.03+7.86= 8.9+9.85= 9.36-7.74= 9.88+4.22= 4.72+8.33= 3.98-1.02= 8.51-4.95= 4.36-3.76= 9.69-2.97= 2.47-1.13= 7.44+5.77= 7.13+5.1= 4.66+4.59= 4.87-2.54= 1.05-1.02= 1.88-1.31= 2.12+3.92= 6.85+7.38= 8.02-4.16= 1.24+1.51= 3.5+9.89= 4.5+1.06= 1.11-1.09= 6.02-5.73=7.2+7.48= 7.47-5.57= 3.14-1.13= 3.29+3.12= 8.76+9.72= 3.53-3.18= 7.94-3.38= 5.46+5.62= 第17天9.91-2.46= 9.84+5.19= 9.6-7.31= 6.68-5.33= 4.2+8.62= 2.88-2.37= 8.38-7.21= 5.79-3.19= 4.47+5.7= 9.3-3.02= 8.29-4.87= 4.92+8.68=8.46+7.07= 9.02+5.96= 7.51+2.51= 1.24-1.19= 4.16+3.3= 7.22-5.32= 9.88-4.4= 6.87+2.01= 2.95+4.47= 2.34-1.61= 5.38+8.77= 3.32-3.1= 4.87+5.33= 4.26-3.69= 3.06-1.12= 8.47-3.04= 1.51-1.05= 4.87-2.58= 3.55+6.19= 9-6.67=3.71+4.82= 3.16-2.03= 3.92-1.67= 2.78+1.07= 8.11-5.53= 8.83+9.99= 3.03+5.3= 7.35+7.53= 3.22-2.26= 56.8-31.52= 93.85+7.24= 第18天71.21-11.55= 88.47-14.37= 61.2+11.02= 66.3+25.6= 25.98+13.56= 50.08-17.81= 79.72+19.82= 67.9+25.97= 88.33-60.72= 23.17-16.31= 37.28+27.01= 64.72-11.23= 20.55+32.14= 75.07+19.35= 70.