(精華版)小數(shù)加減乘除法簡便運(yùn)算練習(xí)題

小數(shù)簡便運(yùn)算練習(xí)(一)班級(jí)姓名得分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＋0.72×8.612.5×0.96×0.810.4－9.6×0.350.8×（4.3×1.25）3.12＋3.12×9928.6×101－28.6

（4.23＋6.17）×0.80.86×15.7－0.86×14.72.4×102

14－7.32－2.682.64＋8.67＋7.36＋11.332.31×1.2×0.5

（2.5－0.25）×0.49.16×1.5－0.5×9.163.6－3.6×0.5

4.5÷1.84.2÷3.5930÷0.6÷563.4÷2.5÷0.44.9÷1.43.9÷（1.3×5）

（7.7＋1.54）÷0.72.5×2.42.7÷45

0.35×1.25×2×0.832.4×0.9＋0.1×32.415÷0.25

70÷2815÷（0.15×0.4）4.25÷2.5×9.9＋0.17小數(shù)簡便運(yùn)算練習(xí)(二)班級(jí)姓名得分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＋2.6547.8－7.45+8.8

0.398+0.36+3.64

15.75+3.59－0.59+14.2542.5－(6.07＋1.13)

73.8－1.64－13.8－5.3666.86－8.66－1.340.25×16.2×4

3.72×3.5＋6.28×3.536.8－3.9－6.125.48－(9.4－0.52)

4.8×7.8＋78×0.523.6×1026.4×0.25＋3.6÷4

32＋4.9－0.94.8－4.8×0.5(1.25－0.125)×8

4.8×100.156.5×9.9＋56.57.09×10.8－0.8×7.09

4.2÷3.5320÷1.25÷818.76×9.9＋18.76

3.52÷2.5÷0.44.78÷0.2＋3.443.9－4.1＋6.1－5.9

0.49÷1.41.25×2.5×323.6－0.6×2

3.65×10.13.6－3.6×0.815.2÷0.25÷4

5.6÷3.59.6÷0.8÷0.44.2×99＋4.2

0.89×100.1146.5－(23＋46.5)17.8÷(1.78×4)

5.83×2＋4.27(45.9－32.7)÷8÷0.1259.7×99＋9.7

4.36×12.5×815.6×13.1－15.6－15.6×2.10.65×101

27.5×3.7－7.5×3.78.54÷2.5÷0.43.83×4.56＋3.83×5.44小數(shù)乘法簡便計(jì)算練習(xí)題班級(jí)姓名小數(shù)乘法的簡便計(jì)算的方法：1、乘法交換律與結(jié)合律、分配率的運(yùn)用。（整數(shù)的運(yùn)算定律在小數(shù)中同樣適用）2、表面上看來，左右兩邊沒有相同的因數(shù)，不能使用乘法分配律。我們可以通過變一變，分一分的方法找出相同因數(shù)再運(yùn)用乘法分配律進(jìn)行計(jì)算0.25×8.5×412.5×0.96×0.80.25×0.73×44.36×12.5×80.25×16.2×41.25×2.5×323.2×0.25×12.50.25×36(1.25－0.125)×84.8×10.13.6×1020.39×1990.32×4033.65×10.10.85×9.93.72×3.5＋6.28×3.515.6×2.1－15.6×1.14.8×7.8＋78×0.5256.5×99＋56.57.09×10.8－0.8×7.091.87×9.9＋0.1874.2×99＋4.23.8×4.56＋3.83×5.449.7×99＋9.727.5×3.7－7.5×3.73.14×0.68＋31.4×0.0327.2×0.2＋2.4×1.45.4×11-5.47.74×（2.8－1.3）＋1.5×2.263.9×2.7＋3.9×7.312.7×9.9＋1.272.3×16+2.3×23+2.33.65×4.7－36.5×0.37101×0.87-0.91×8746×57＋23×8610.7×16.1-15.1×10.77.6×0.8＋0.2×7.61.28×8.6＋0.72×8.610.6×0.35－9.6×0.358.9×1.010.65×10148×0.56＋44×0.480.279×343＋0.657×2790.264×519＋264×0.4819.16×1.53－0.053×91.60.125×9612.5×10.8（20－4）×0.2545×21－50×2.145×1.58＋5.5×15.825×7.3×0.4小數(shù)乘法的簡便運(yùn)算姓名學(xué)號(hào)成績乘法交換律與結(jié)合律的運(yùn)用。4.56×0.4×2.512.5×2.7×0.812.5×32×0.252.5×3212.5×5625×0.36乘法分配律的運(yùn)用。0.25×10.412.5×8.899×0.353.7×1.8－2.7×1.895.7×0.28＋6.3×0.28－0.28×21.08×9＋1.08比較乘法結(jié)合律與分配律在簡便運(yùn)算時(shí)的區(qū)別（下面各題用不同的方法簡算）。12.5×8812.5×880.25×480.25×48表面上看來，左右兩邊沒有相同的因數(shù)，不能使用乘法分配律。表面上看來，左右兩邊沒有相同的因數(shù)，不能使用乘法分配律。變一變，能簡算。48×0.56＋44×0.480.279×343＋0.657×2790.264×519＋264×0.4819.16×1.53－0.053×91.6314×0.043＋3.14×7.2－31.4×0.15用自己喜歡的方法做一做。53×10.14.2×6.51＋3.49×4.225×7.3×0.40.125×9612.5×10.8（20－4）×0.2545×21－50×2.145×1.58＋5.5×15.89.99×2.22＋3.33×3.343.7×1.4×0.0572×0.81+10.41.4×25+3.451.5×1021.25×0.7×0.82.7×3.7+0.37×738.7×990.8×（12.5–1.25）1.25×0.4×80×2.55×1.03×0.232×1.250.45×99甲有存款4000元，乙有存款2400元，乙從存款中取出一些后，甲的存款正好是乙現(xiàn)在的5倍。乙取出多少元錢？②有一堆煤，如果用甲種車一次運(yùn)完，需要36輛;如果用乙種車一次運(yùn)完，需要45輛。已知甲種車比乙種車每輛多運(yùn)1.5噸。問這批煤共有多少噸？小數(shù)乘法簡便計(jì)算6.9＋4.8＋3.147.8－7.45+8.80.398+0.36+3.649.6＋4.8－3.65.17－1.8－3.24.02＋5.4＋0.983.68＋7.56－2.680.25×16.2×45.27＋2.86－0.66＋1.6373.8－1.64－13.8－5.3615.75+3.59－0.59+14.257.85＋2.34－0.85＋4.6635.6－1.8－15.6－7.23.82＋2.9＋0.18＋9.10.456＋6.22＋3.7815.89＋(6.75－5.89)13.75－(3.75＋6.48)3.6×10266.86－8.66－1.34(1.25－0.125)×813.35－4.68＋2.657.14－0.53－2.473.72×3.5＋6.28×3.536.8－3.9－6.14.8×7.8＋78×0.5256.5×9.9＋56.515.6×13.1－15.6－15.6×2.14.8×100.17.09×10.8－0.8×7.0932＋4.9－0.925.48－(9.4－0.52)4.2÷3.5320÷1.25÷818.76×9.9＋18.763.52÷2.5÷0.43.9－4.1＋6.1－5.95.6÷3.59.6÷0.8÷0.44.2×99＋4.217.8÷(1.78×4)0.49÷1.41.25×2.5×323.65×10.115.2÷0.25÷40.89×100.1146.5－(23＋46.5)3.83×4.56＋3.83×5.444.36×12.5×89.7×99＋9.78.9×1.0127.5×3.7－7.5×3.78.54÷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÷0.47.2×0.2＋2.4×1.47.74×（2.8－1.3）＋1.5×2.263.9×2.7＋3.9×7.318－1.8÷0.125÷0.812.7×9.9＋1.2721×（9.3－3.7）－5.615.02-6.8-1.025.4×11-5.42.3×16+2.3×23+2.39.43-（6.28-1.57）3.65×4.7－36.5×0.3746×57＋23×8613.7×0.25－3.7÷42.22×9.9+6.66×6.7101×0.87-0.91×8710.7×16.1-15.1×10.70.79×1994.8+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+3.9+0.73+16.17.5＋4.9－6.53.07－0.38－1.621.29＋3.7＋2.71＋6.38－2.45－1.553.25＋1.79－0.59＋1.7523.4－0.8－13.4－7.20.32×4033.2＋0.36＋4.8＋1.641.23＋3.4－0.23＋6.60.25×3612.7－（3.7＋0.84）36.54－1.76－4.540.25×0.73×47.6×0.8＋0.2×7.60.85×1990.25×8.5×41.28×8.6＋0.72×8.612.5×0.96×0.810.4－9.6×0.350.8×（4.3×1.25）3.12＋3.12×9928.6×101－28.60.86×15.7－0.86×14.72.4×1022.31×1.2×0.514－7.32－2.682.64＋8.67＋7.36＋11.3370÷28（2.5－0.25）×0.49.16×1.5－0.5×9.163.6－3.6×0.563.4÷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小數(shù)乘除法簡便計(jì)算專項(xiàng)練習(xí)班級(jí)：姓名：一、計(jì)算1.25×3.2×0.25

4.7×1.25×1.6

1.25×881.25×6.4×0.254.6×0.35+4.6×0.652.55×1.5+1.5+6.45×1.5

2.95×101-2.95

12.5×5×0.16 3.2×10.1

0.52×10510.01×4.5

59÷0.251.8×0.9+0.18

5.4×0.68+3.4×2×0.468.9×9.9+11×0.99（1.25+0.25）×16

23.9-0.6×0.6-0.643.7×0.44×2.5 9.73÷12.5÷0.8

7.8×4.86÷3.91.9×8.8＋0.8828.9×4÷2890.7777×0.7+0.1111×2.1

888×1.6+222×3.692×0.9+7.24.8×7.8＋78×0.521.87×9.9＋0.1873.14×0.68＋31.4×0.0327.2×0.2＋2.4×1.44.2×98＋8.47.74×（2.8－1.3）＋1.5×2.2612.7×9.9＋1.272.3×16+2.3×23+2.33.65×4.7－36.5×0.374.6×57＋2.3×862.22×9.9+6.66×6.7101×0.87-0.91×87二、填空 1、已知25.16÷0.37=68，直接寫出下列各式的得數(shù)。251.6÷3.7=0.2515÷0.37=2.516÷37=25.16÷0.037=2.516÷0.037=25.16÷（）=6.82、1噸36千克=（）噸84分=（）小時(shí)15千克15克=（）千克36小時(shí)=（）天3、將3.18÷1.8、3.18÷0.8、3.18÷1.2、3.18÷1、3.18÷0.99從小到大的順序排列（）4、7.07÷0.3商是23.5，余數(shù)是（）5、根據(jù)212×34=7208，在（）里填上合適的數(shù)。2.12×34=（）（）×34=0.72082.12×（）=7.20821.2×0.34=（）0.0212×340=（）0.212×（）=72.086、兩個(gè)數(shù)相乘，小馬虎把第一因數(shù)30.95中的9寫成了6，結(jié)果積比正確答案少0.81，那么另一個(gè)因數(shù)是多少？五年級(jí)數(shù)學(xué)簡便計(jì)算練習(xí)卷下面各題怎樣算簡便就怎樣算。（1）小數(shù)加減法計(jì)算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＋4.6635.6－1.8－15.6－7.23.82＋2.9＋0.18＋9.19.6＋4.8－3.67.14－0.53－2.475.27＋2.86－0.66＋1.6313.35－4.68＋2.6573.8－1.64－13.8－5.3647.8－7.45+8.8

0.398+0.36+3.64

15.75+3.59－0.59+14.2566.86－8.66－1.3436.8－3.9－6.132＋4.9－0.925.48－(9.4－0.52)3.9－4.1＋6.1－5.915.02-6.8-1.0232＋4.9－0.9146.5－(23＋46.5)9.43-（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+3.9+0.73+16.17.5＋4.9－6.53.07－0.38－1.621.29＋3.7＋2.71＋6.38－2.45－1.553.25＋1.79－0.59＋1.7523.4－0.8－13.4－7.23.2＋0.36＋4.8＋1.641.23＋3.4－0.23＋6.612.7－（3.7＋0.84）36.54－1.76－4.5414－7.32－2.682.64＋8.67＋7.36＋11.33（2）小數(shù)乘法計(jì)算0.25×16.2×4(1.25－0.125)×83.6×102320÷1.25÷83.72×3.5＋6.28×3.514.8×7.8＋78×0.520.8×100.15.6×13.1－15.6－15.6×2.14.2÷3.57.09×10.8－0.8×7.0918.76×9.9＋18.763.52÷2.5÷0.456.5×9.9＋56.5515.6×13.1－15.6－15.6×2.14.8×7.8＋78×0.524.2÷3.54.8×100.156.5×9.9＋56.57.09×10.8－0.8×7.0918.76×9.9＋18.763.52÷2.5÷0.4320÷1.25÷89.6÷0.8÷0.44.2×99＋4.215.2÷0.25÷40.89×100.117.8÷(1.78×4)0.49÷1.41.25×2.5×323.65×10.13.83×4.56＋3.83×5.449.7×99＋9.73.14×0.68＋31.4×0.03227.5×3.7－7.5×3.78.54÷2.5÷0.40.65×1013.2×0.25×12.5(45.9－32.7)÷8÷0.1255.6÷1.25÷0.8÷2.5÷0.44.36×12.5×87.2×0.2＋2.4×1.48.9×1.017.74×（2.8－1.3）＋1.5×2.263.9×2.7＋3.9×7.318－1.8÷0.125÷0.812.7×9.9＋1.2721×（9.3－3.7）－5.65.4×11-5.44.5÷1.84.2÷3.563.4÷2.5÷0.44.9÷1.43.9÷（1.3×5）930÷0.6÷57.7＋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（2.5－0.25）×0.49.16×1.5－0.5×9.163.6－3.6×0.570÷280.8×（4.3×1.25）3.12＋3.12×9928.6×101－28.60.86×15.7－0.86×14.72.4×1022.31×1.2×0.57.6×0.8＋0.2×7.60.85×1990.25×8.5×44.6÷3.51.28×8.6＋0.72×8.612.5×0.96×0.810.4－9.6×0.350.25×360.25×0.73×40.32×40346×57＋23×860.79×19913.7×0.25－3.7÷42.22×9.9+6.66×6.72.3×16+2.3×23+2.3101×0.87-0.91×8710.7×16.1-15.1×10.73.65×4.7－36.5×0.374.8+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+3.9+0.73+16.17.5＋4.9－6.53.07－0.38－1.621.29＋3.7＋2.71＋6.38－2.45－1.553.25＋1.79－0.59＋1.7523.4－0.8－13.4－7.2