北师大四年级数学下册前四个单元计算题练习题总汇

四年级数学简便计算练习卷、口算。3.2+1.8= 0.9+0.6=1—0.385= 3.2-2.3=2.1+0.2= 0.3+0.7=2.13-0.02= 3.51+0.2=0.1—0.01= 1.2—0.120.76—0.38 15—7.35—2.653.6+1.6= 7.5-0.5= 3.7-0.9=102+0.3= 1.12-1.02= 4.5-0.01=1.5—0.5=1.9—0.9=0.8×25=2.8×10=0.62—0.29=6.4+0.7-0.6=6.9—6=2.7+2.2=10=1.3—0=14+0.78=4—0.04=0.78+2.2=4.1—3.8=0.65÷10×100=1—0.9=3.52.4=0.02×500=0.04×1.5=5.67—2.8=6.4-(0.7-0.3)=0.9+0.6=0.2+0.8=0.8—0.8=0.7+0.9=14.6—0.34=1—0.03=5—0.08=1—0.71=4.5+5.4=2.3+0.6= 0.9+0.8=0.36+0.64= 0.96—0.3=1.05×8= 0×4.32=0.57+0.43=6.4+0.7=1.34+0.7+0.3=1—0.09=0.8+0.6=1.3+8.56=30.5+3.05=3.25+0.75=6.2—2.6=32.6—20=3.6+0.4=6.4-0.7=6-0.4-0.6=0.9+0.1=5.5+8.24+3.76=0.8—0.55=0.8—0.45=10—0.1=0.431×100=680+230=15×80=0.63+0.37=0.64-0.24=560÷80=0.7+0.3=8.1-4=3.6+10=830-230=8+0.42=2-1.4=3+3.7=1500÷3001.2+8=4.5-4.2=9.2-4=0.3万+5万=7亿-0.3亿= 8.8万+12万= 5.6万+0.21万=二、用竖式计算小数加减20—3.65=3.2+1.73=23.5—2.8=18.7+3.144.96+12.71=2.6—18.94=7.293+6.417=60—18.7=14.59+8.721—18.45=6.14+3.83=7.93-1.64=5.23-2.36=3.44+3.36=7.74-5.85=9.35-4.74=38.63-3.48=1.16+4.77=8.17-5.26=2.26-0.86=4.93+4.75=76.55+4.68=31.1+4.5=31.9+3.4=3.45+4.6=4.45+54.5=3.83+5.55=2.75+1.3=39.4-2.75=67.3-1.26=61.9+6.2=67.1-6.6=46.8-2.8=47.6-2.15=44.4+1.4=1.7+9.66=43.3+6.3=64.4+8.67=55.5-1.9=38.9-5.55=16.33—9.479.05—3.3058.65—6.31=10—7.64=13.6+8.46=0.99+1.1=三、用竖式计算小数乘法9.31×4.66.05×0.3423.4×4.61.52×8.52.3×0.62.07×4040.2×5.47.85×4.31.46×5.85.42×0.327.89×5.2140×5.21.42×5.244.53×1.26.8×3.5 0.42×0.9930.7×6.7 0.06×2.86.13×0.4 320×2.52.08×0.6 2.8×1.54.05×0.78 230×1.76=7.02×401.23×78.9×2.31 0.5×404.05×0.82.4×3.814.5×2.412.4×154.56×1.4456×0.424.86×1.21.47×0.991.56×1.21.46×4.51.23×1.67.54×4.550.1×4.57.52×2.37.08×1.2870×0.16120×0.480.235×4.24.52×1.31.05×2.31.42×44.85×3040.6×7.2700×2.5751×1.31.56×7.85.02×1.23.56×0.144.86×4.2 450×0.486.08×505.24×0.326.87×1.47.4×0.48110×1.84.5×1.4100×0.147.04×1.47.85×0.4179.5×4.64.28×4.1750×1.46.32×1.4 5.55×4.4 1.25×4.8四、下面各题怎样算简便就怎样算。(1)小数加减法计算27.3+73.2+72.7585+189+2155.85-1.75-0.2542.5－22.17－7.833.8+1.37+6.2+12.63 17.05－(2.05－6.4)3.73+5.28+4.27+4.722.5＋3.25＋0.75＋7.56.9＋4.8＋3.10.456＋6.22＋3.7815.89＋(6.75－5.89)4.02＋5.4＋0.985.17－1.8－3.213.75－(3.75＋6.48)3.68＋7.56－2.687.85＋2.34－0.85＋4.6635.6－1.8－15.6－7.23.82＋2.9＋0.18＋9.19.6＋4.8－3.67.14－0.53－2.475.27＋2.86－0.66＋1.7313.35－4.68＋2.6873.8－1.64－13.8－5.3647.8－7.45+8.80.59+14.250.398+0.36+3.6415.75+3.5－966.86－8.66－1.343－63..89－6.1＋324.9－0.925.4－8(9.4－0.52)32＋4.9－0.94.8+8.63+5.2+0.373－.94.1＋6.1－5.914－6(.253＋46.5)5.93+0.19+2.8115.02-6.8-1.029.(463.-28-1.5)71.76+0.195+3.242.35+1.713+0.287+7.65 1.57+0.245+7.436.02+3.6+1.980.134+2.66+0.8661.27+3.9+0.73+16.＋14.9－67..553.25+1.79-0.59+1.75 23.4-0.8-13.4-7.21.23+3.4-0.23+6.6 12.7-(3.7+0.84)14-7.32-2.68 2.64+8.67+7.36+11.3356.37-6.24-3.7623.75-8.64-3.368.54-5.96-2.044.57+3.17+3.43+5.8345.55-(6.82+15.55)17.83-9.5-7.83-0.527.38-5.34+2.62-4.663.2+0.36+4.8+1.6436.54-1.76-4.5445.23+9.9+10.134.52-17.87-12.133.45+8.7+16.55+1.321.63-(8.5+9.63)120-28.42-37.58 79000÷125÷84.78+14.44+5.56+6.22(2)小数乘法计算0.25×16.2×4 (1.25-0.125)×8 3.6×1023.72×3.5+6.28×3.5 115.6×13.1-15.6-15.6×2.118.76×9.9+18.76×0.14.8×7.8+78×0.52 0.8×100.17.09×10.8-0.8×7.0956.5×9.9+56.5×0.1515.6×13.1-515.6-515.6×2.14.8×7.8+78×0.520.89X100.1 1.25×2.5×32 3.65X10.13.83×4.56+3.83×5.44 9.7×99+9.7 3.14×0.68+31.4×0.03227.5×3.7-7.5×3.7 0.65×101 3.2×0.25×12.54.36×12.5×8 7.2×0.2+2.4×1.4 8.9×1.017.74×(2.8-1.3)+1.5×2.26 3.9×2.7+3.9×7.312.7×9.9+1.27 21×(9.3-3.7)-5.6 5.4×11-5.42.5×2.4 0.35×1.25×2×0.8 32.4×0.9+0.1×32.4(2.5-0.25)×0.4 9.16×1.5-0.5×9.16 3.6-3.6×0.570÷280.8×(4.3×1.25) 3.12+3.12×99 28.6×101-28.60.86×15.7-0.86×14.7 2.4×1022.31×1.2×0.57.6×0.8+0.2×7.6 0.85×199 0.25×8.5×41.28×8.6+0.72×8.6 12.5×0.96×0.8 10.6×0.35-9.6×0.350.25×360.25×0.73×40.32×403 46×57+23×862.3×16+2.3×23+2.3 101×0.87-0.91×87 10.7×16.1-15.1×10.73.65×4.7-36.5×0.37 2.5×9.78×0.4 46.8×1.7+53.2×1.70.38×101五、递等式计算(能简算的要简算)3.6—1.28+3.09 4.32—(1.26+2.34) (4.6—3.2)×11.516.4+1.7-2.31 16.4-(8.2-2.8) 45.2-6.14+5.8656.47+(35.25-28.4) (45.23+9.9)+(10.1+4.77) 92.31-9.4+8.31-11.60.43+0.8+6.95 9.8—0.67—2.59 6.51—(0.83+0.39)512+319+