北师大四年级数学下册前四个单元计算题练习题总汇

1、四年级数学简便运算练习卷一、口算；3.2+1.8=0.9+0.6=0.1 0.01=1.20.121 0.385=3.22.3=0.760.3815 7.352.652.1+0.2=0.3+0.7=3.6+1.6=7.5-0.5=3.7-0.9=2.13-0.02=3.51+0.2=102+0.3=1.12-1.02=4.5-0.01=1.5 0.5 1 0.9 2.3 0.6 0.9 0.8 1.9 0.9=3.52.4=0.36 0.64 0.96 0.3 0.8 ×250.02×5001.05× 80×4.32 2.8 ×100.04&#

2、215;1.5 0.570.43 3.60.4 0.62 0.29 5.67 2.8 6.4+0.7=6.4-0.7=6.4+0.7-0.6=6.4-（0.7-0.3）=1.34+0.7+0.3=6-0.4-0.6=6.9 6=0.9 0.6=1 0.09=0.9 0.1=2.7 2.2=0.2 0.8=0.8 0.8=5.510=1.3 0=0.7 0.9=0.80.6=8.243.76=140.78=14.60.34=1.38.56=0.80.55=4 0.04=10.03=30.53.05=0.8 0.45=0.782.2=50.08=3.25 0.75=100.1=4.1 3.8=10

3、.71=6.22.6=0.431×100=0.65÷10×100=4.55.4=32.620=680 + 230 =560÷ 80 =830-230 =1500÷ 300 =15× 80 =0.7 + 0.3 =8 + 0.42 =1.2 +8 =0.63 + 0.37=8.1 - 4 =2 - 1.4 =4.5 -4.2 =0.64 - 0.24=3.6 + 10 =3 + 3.7 =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、用竖式运算小数加减203.65 3.2 1.73 1

4、8.7 3.1423.5 2.8 4.9612.712.618.947.2936.4176018.714.598.72118.456.14+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=

5、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=0.991.1=三、用竖式运算小数乘法9.31 ×4.66.8× 3.50.42× 0.996.05 ×0.3430.7× 6.70.06×2.823 4× 4.66.13× 0.4320× 2.52.08× 0.62.8× 1.51.52 × 8.54.05×

6、 0.78230× 1.76=7.02× 401.23× 72.3 × 0.64.05× 0.88.9× 2.310.5× 406.08× 502.07 × 402.4 × 3.81. 23×1.61.0 5×2.35. 24× 0.3240. 2× 5.414.5×2.47.54×4.51.42×46.87×1.47. 85×4.312.4×1550.1×4.54.85× 3

7、07.4× 0.481. 46×5.84. 56×1.47. 52× 2.340. 6× 7.2110×1.85. 42× 0.32456 ×0.427.08×1.2700× 2.54.5×1.47. 89×5.24.86×1.2870×0.16751×1.3100× 0.14140×5.21.47× 0.99120× 0.481.56×7.87.04×1.41. 42×5.2

8、41.56×1.20.235×4.25.02×1.2 3.56× 0.144. 53×1.21.46×4.54.52×1.34.86×4.2450×0.487. 85× 0.4179. 5×4.64. 28×4.1750×1.46. 32×1.45.55×4.41.25×4.8四、下面各题怎样算简便就怎样算；（1）小数加减法运算27.3+73.2+72.7585+189+2155.85 1.750.257682741265.85+1.8

9、9+2.1524.8+14.6+15.442.522.177.833.8+1.37+6.2+12.6317.052.056.43.73+5.28+4.27+4.722.5 3.25 0.75 7.56.9 4.8 3.10.4566.22 3.7815.89 6.75 5.894.02 5.4 0.985.17 1.8 3.213.753.75 6.483.68 7.56 2.687.85 2.34 0.85 4.6635.61.8 15.6 7.23.82 2.9 0.18 9.19.6 4.8 3.67.140.53 2.475.27 2.86 0.66 1.7313.354.68 2.6

10、8 73.8 1.64 13.8 5.3647.8 7.45+8.80.398+0.36+3.6415.75+3.59 0.59+14.2566.86 8.66 1.3436.83.9 6.1324.9 0.925.48 9.4 0.523.9 4.1 6.1 5.915.02-6.8-1.02324.9 0.9146.523 46.59.43-（6.28-1.57）4.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.980.134+2.66+0.8661.27

11、+3.9+0.73+16.17.54.9 6.53.07 0.38 1.621.293.7 2.71 6.382.45 1.553.25 1.79 0.59 1.7523.40.8 13.4 7.23.20.36 4.8 1.641.23 3.4 0.23 6.612.7（ 3.7 0.84 ）36.54 1.76 4.54147.32 2.682.648.67 7.36 11.3345.23+9.9+10.156.37-6.24-3.7645.55（ 6.8215.55）34.5217.8712.1323.758.643.3617.83 9.5 7.830.53.458.716.551.38

12、.545.962.0427.38 5.342.624.6621.63（8.59.63）4.57+3.17+3.43+5.8312028.42 37.5879000÷ 125÷84.7814.445.56 6.22（2）小数乘法运算0.25 × 16.2 ×41.250.125 × 83.6×1023.72 × 3.5 6.28 × 3.514.8×7.8 78×0.520.8×100.115.6 × 13.1 15.6 15.6 ×2.17.09× 10.

13、8 0.8 × 7.0918.76 ×9.9 18.76 ×0.156.5× 9.9 56.5 × 0.1515.6 ×13.1 515.6 515.6 ×2.14.8× 7.8 78×0.524.8 ×100.156.5× 9.9 56.5 ×0.14.2×994.20.89 × 100.11.25× 2.5 ×323.65× 10.13.83 × 4.56 3.83 × 5.449.7×99

14、9.73.14×0.68 31.4 ×0.03227.5 × 3.7 7.5 ×3.70.65×1013.2×0.25 ×12.54.36 × 12.5 ×87.2× 0.2 2.4 ×1.48.9× 1.017.74×（ 2.8 1.3 ） 1.5 ×2.263.9×2.7 3.9 × 7.312.7 × 9.9 1.2721×（ 9.3 3.7 ） 5.65.4×11-5.42.5 × 2.4

15、0.35×1.25 ×2×0.832.4× 0.9 0.1 ×32.4（2.5 0.25 ）×0.49.16× 1.5 0.5 ×9.163.63.6 ×0.570 ÷280.8 ×（ 4.3 ×1.25 ）3.123.12 ×9928.6×101 28.60.86 × 15.7 0.86 × 14.72.4× 1022.31×1.2 ×0.57.6 ×0.8 0.2 ×7.60.85&

16、#215; 1990.25× 8.5 ×41.28 × 8.6 0.72 × 8.612.5×0.96 ×0.810.6× 0.35 9.6 ×0.350.25 ×360.25×0.73 ×40.32× 40346× 5723×860.79 × 19913.7×0.25 3.7 × 0.252.22×9.9+6.66 × 6.72.3 × 16+2.3× 23+2.3101×

17、0.87-0.91×8710.7× 16.1-15.1×10.73.65 × 4.7 36.5 × 0.372.5×9.78 ×0.446.8× 1.7 53.2 × 1.70.38 × 101五、递等式运算（能简算的要简算）3.6 1.28 3.094.32 （ 1.26 2.34 ）（ 4.63.2 ）× 11.516.4+1.7-2.3116.4-（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