完整版小学四五年级数学计算题练习500题.docx
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完整版小学四五年级数学计算题练习500题
四五年级数学计算题练习
25.6-（0.23+5.6）-1.77 13.75-（4.75+6.48）
7.83+2.34-0.83+6.66 3.82+2.9+0.18+9.1
25.48-（（9.4-0.52） 35.6-1.8-15.6-7.2
5.93+0.19+2.81 7.3+2.7-7.3+2.7
48.4+2.78+51.6-0.78 23.4+0.8-13.4-7.2
4.8+8.63+5.2+0.37 3.07-0.38-1.62
1.27+3.9+0.73+15.1 5.84-1.8-3.2
132.44-（58.74+19.44） 7.5+4.8-6.5
3.25+2.76+1.75 13.75-（3.75+6.48）
7.14-0.53-2.47 13.45-4.68+2.55
47.8-7.45+8.2 36.8-4.5+6.98
49.8-9.6+8.8 15.2-6.8-3.45
1.76+0.65+3.24 0.134+2.66+0.8
7.5+4.9-6.3 3.45+1.79+0.65
4.85+8.63+0.37 1.76+3.44+0.35
36.54-1.76-8.66 8-2.45-1.02
23.4+3.4-0.23 6.02+3.6+1.98
3.07-0.38-1.62 7.5+4.9-6.5
36.8-3.9-6.88 3.285+1.79+0.59
23.4-0.8+13.4 32+4.9-8.6
1.29+3.7+2.71 5.93+0.49+2.06
9-2.45-1.65 21+0.56+11.3
一、乘法：
5.6×2.93.77×1.80.02×965.22×0.39.99×0.02
4.67×0.95×2.441.66×6.19.4×0.025.6×6.5
4.88×2.95.61×4.38.9×2.45.5×559.77×0.02
1.38×5.18.78×82.6×610.05×0.24.8×1.7
57×5.79.46×2.817.8×6.41.5×4.92.5×0.88
5.5×5.22.22×3.337.6×856.02×0.36.78×8
二、除法：
（循环小数的用简便方法，除不尽保留2位小数）
85.44÷1642.6÷7101.7÷0.0017.5÷0.1530.66÷6
21.24÷360.736÷2343.5÷1235.21÷739.6÷24
6.21÷0.03210÷1.451.3÷0.2791.2÷3.80.756÷0.18
0.66÷0.311.97÷1.569.6÷2.938.4÷0.815÷0.06
8.2÷0.120.8÷0.976.4÷5.44.7÷31.25÷1.2
32÷4214.36÷2.78.33÷6.21.7÷0.032.41÷0.7
三、用竖式计算（保留两位位小数）
0.396÷1.2=0.756÷0.36=15.6×13=0.18×15=
0.025×14=3.06×36=0.04×0.12＝3.84×2.6≈
5.76×3＝7.15×2290.75÷3.33.68×0.25
16.9÷0.131.55÷3.93.7×0.01613.76×0.8=
5.2×0.68.4×1.36.4×0.54.48×0.4
5.25×535.4×4.20.042×0.540.76×0.32
4
0.25×0.0462.52×3.41.08×25
0.12×0.5×0.16＝4.8×0.25＝0.125×1.4≈（保留两位小数）
2.5÷0.7=（保留三位小数）10.1÷3.3=（商用循环小数）
10.75÷12.5=（用乘法验算）3.25×9.04=（用除法验算）
用简便方法计算
25×86.2×4 5×86.2×0.4
36×15×2 36×1.5×0.2
45×102 45×10.2
34×27+34×73 34×2.7+34×7.3
86×99+86 8.6×99+8.6
125×88 1.25×8.8
6.9＋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＋4.6635.6－1.8－15.6－7.2
3.82＋2.9＋0.18＋9.19.6＋4.8－3.67.14－0.53－2.47
5.27＋2.86－0.66＋1.6313.35－4.68＋2.6573.8－1.64－13.8－5.36
47.8－7.45+8.80.398+0.36+3.6415.75+3.59－0.59+14.25
66.86－8.66－1.340.25×16.2×4（1.25－0.125）×8
3.6×1023.72×3.5＋6.28×3.536.8－3.9－6.1
15.6×13.1－15.6－15.6×2.14.8×7.8＋78×0.5232＋4.9－0.9
4.8×100.156.5×9.9＋56.57.09×10.8－0.8×7.09
25.48－（9.4－0.52）4.2÷3.5320÷1.25÷8
18.76×9.9＋18.763.52÷2.5÷0.43.9－4.1＋6.1－5.9
5.6÷3.59.6÷0.8÷0.44.2×99＋4.2
17.8÷（1.78×4）0.49÷1.41.25×2.5×323.65×10.1
15.2÷0.25÷40.89×100.1146.5－（23＋46.5）
3.83×4.56＋3.83×5.444.36×12.5×89.7×99＋9.7
27.5×3.7－7.5×3.78.54÷2.5÷0.40.65×1013.2×0.25×12.5
（45.9－32.7）÷8÷0.1253.14×0.68＋31.4×0.0325.6÷1.25÷0.8÷2.5÷0.4
7.2×0.2＋2.4×1.48.9×1.017.74×（2.8－1.3）＋1.5×2.26
3.9×2.7＋3.9×7.318－1.8÷0.125÷0.812.7×9.9＋1.27
21×（9.3－3.7）－5.615.02-6.8-1.025.4×11-5.4
2.3×16+2.3×23+2.39.43-（6.28-1.57）3.65×4.7－36.5×0.37
46×57＋23×8613.7×0.25－3.7÷42.22×9.9+6.66×6.7
101×0.87-0.91×8710.7×16.1-15.1×10.70.79×199
4.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.24
2.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.98
0.134+2.66+0.8661.27+3.9+0.73+16.17.5＋4.9－6.5
3.07－0.38－1.621.29＋3.7＋2.71＋6.38－2.45－1.55
3.25＋1.79－0.59＋1.7523.4－0.8－13.4－7.20.32×403
3.2＋0.36＋4.8＋1.641.23＋3.4－0.23＋6.60.25×36
12.7－（3.7＋0.84）36.54－1.76－4.540.25×0.73×4
7.6×0.8＋0.2×7.60.85×1990.25×8.5×4
1.28×8.6＋0.72×8.612.5×0.96×0.810.4－9.6×0.35
0.8×（4.3×1.25）3.12＋3.12×9928.6×101－28.6
0.86×15.7－0.86×14.72.4×1022.31×1.2×0.5
14－7.32－2.682.64＋8.67＋7.36＋11.3370÷28
（2.5－0.25）×0.49.16×1.5－0.5×9.163.6－3.6×0.5
63.4÷2.5÷0.44.9÷1.43.9÷（1.3×5）
（7.7＋1.54）÷0.72.5×2.42.7÷4515÷（0.15×0.4）
0.35×1.25×2×0.832.4×0.9＋0.1×32.415÷0.25
4.5÷1.84.2÷3.5930÷0.6÷5
3.29+0.73+2.27 3.29-0.73-2.27 7.5+2.5-7.5+2.5
7.325-3.29-3.325 7.325-（5.325+1.7） 7.325-（5.325-1.7）
3.29+0.73-2.29+2.27 3.29×0.25×4 0.125×8.8
0.25×0.28 0.125×3.2×2.5 35×40.2
0.25×4÷0.25×4 3.5×9.9
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