精華版小數(shù)加減乘除法簡便運(yùn)算練習(xí)題

1、小數(shù)簡便運(yùn)算練習(xí)(一)班級 姓名 得分 4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24   2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.98  0.134+2.66+0.866 1.27+3.9+0.73+16.1 7.54.96.5   3.070.381.62 1.293.72.716.3 82.451.55  3.251.790.591.75 23.40.813.47.2 0.32×403

2、0; 3.20.364.81.64 1.233.40.236.6 0.25×36  12.7（3.70.84） 36.541.764.54 0.25×0.73×4  7.6×0.80.2×7.6 0.85×199 0.25×8.5×4   1.28×8.60.72×8.6 12.5×0.96×0.8 10.49.6×0.350.8×（4.3×1.25） 3.123.12

3、5;99 28.6×10128.6  （4.236.17）×0.8 0.86×15.70.86×14.7 2.4×102  147.322.68 2.648.677.3611.33 2.31×1.2×0.5  （2.50.25）×0.4 9.16×1.50.5×9.16 3.63.6×0.5  4.5÷1.8 4.2÷3.5 930÷0.6÷5 63.4÷2

4、.5÷0.4 4.9÷1.4 3.9÷（1.3×5）   （7.71.54）÷0.7 2.5×2.4 2.7÷45   0.35×1.25×2×0.8 32.4×0.90.1×32.4 15÷0.25   70÷28 15÷（0.15×0.4） 4.25÷2.5×9.90.17小數(shù)簡便運(yùn)算練習(xí)(二)班級 姓名 得分 4.025.40.98 5.171.83.

5、2 13.75(3.756.48)  3.687.562.68 7.852.340.854.66 35.61.815.67.2  3.822.90.189.1 9.64.83.6 7.140.532.47  5.272.860.661.63 13.354.682.65 47.87.45+8.8    0.398+0.36+3.64      15.75+3.590.59+14.25 42.5(6.071.13)  7

6、3.81.6413.85.36 66.868.661.34 0.25×16.2×4  3.72×3.56.28×3.5 36.83.96.1 2 5.48(9.40.52)  4.8×7.878×0.52 3.6×102 6.4×0.253.6÷4  324.90.9 4.84.8×0.5 (1.250.125)×8 4.8×100.1 56.5×9.956.5 7.09×10.80.8

7、×7.09  4.2÷3.5 320÷1.25÷8 18.76×9.918.76  3.52÷2.5÷0.4 4.78÷0.23.44 3.94.16.15.9  0.49÷1.4 1.25×2.5×32 3.60.6×2  3.65×10.1 3.63.6×0.8 15.2÷0.25÷4  5.6÷3.5 9.6÷0

8、.8÷0.4 4.2×994.2  0.89×100.1 146.5(2346.5) 17.8÷(1.78×4)  5.83×24.27 (45.932.7)÷8÷0.125 9.7×999.7  4.36×12.5×8 15.6×13.115.615.6×2.1 0.65×101  27.5×3.77.5×3.7 8.54÷2.5÷0.

9、4 3.83×4.563.83×5.44小數(shù)乘法簡便計(jì)算練習(xí)題班級 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0.25×8.5×4 12.5×0.96×0.8 0.25×0.73×4 4.36×12.5×8 0.25×16.2×4 1.25×2.5×32 3.2×

10、;0.25×12.5 0.25×36(1.250.125)×8 4.8×10.1 3.6×102 0.39×199 0.32×403 3.65×10.1 0.85×9.9 3.72×3.56.28×3.5 15.6×2.115.6×1.1 4.8×7.878×0.52 56.5×9956.5 7.09×10.80.8×7.09 1.87×9.90.187 4.2×994.2 3.8×4.

11、563.83×5.44 9.7×999.7 27.5×3.77.5×3.7 3.14×0.6831.4×0.032 7.2×0.22.4×1.4 5.4×11-5.4 7.74×（2.81.3）1.5×2.26 3.9×2.73.9×7.3 12.7×9.91.27 2.3×16+2.3×23+2.3 3.65×4.7 36.5×0.37 101××87 46×5723×86

12、10.7×16.1-15.1×10.7 7.6×0.80.2×7.6 1.28×8.60.72×8.6 10.6×0.359.6×0.35 8.9×1.01 0.65×101 48×0.5644×0.48 0.279×3430.657×279 0.264×519264×0.481 9.16×1.530.053×91.6 0.125×96 12.5×10.8 （204）×0.2545

13、15;2150×2.1 45×1.585.5×15.8 25×7.3×0.4小數(shù)乘法的簡便運(yùn)算姓名 學(xué)號 成績一、 乘法交換律與結(jié)合律的運(yùn)用。 4.56×0.4×2.5 12.5×2.7×0.8 12.5×32×0.25 2.5×32 12.5×56 25×0.36二、 乘法分配律的運(yùn)用。 0.25×10.4 12.5×8.8 99×0.353.7×1.82.7×1.8 95.7×0.286.3&

14、#215;0.280.28×2 1.08×91.08三、 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）。12.5×88 12.5×88 0.25×48 0.25×48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。四、 變一變，能簡算。48×0.5644×0.48 0.279×3430.657×279 0.264×519264×0.481 9.16×1.530.053×91.6 314×0.0433.14×

15、;7.231.4×0.15五、 用自己喜歡的方法做一做。53×10.1 4.2×6.513.49×4.2 25×7.3×0.40.125×96 12.5×10.8 （204）×0.2545×2150×2.1 45×1.585.5×15.8 9.99×2.223.33×3.34 3.7×1.4×0.05 72×0.81+10.4 1.4×25+3.451.5×102 1.25×0.7

16、15;0.8 2.7×3.7+0.37×738.7×99 0.8×（12.5 1.25） 1.25×0.4×80×2.55×1.03×0.2 32×1.25 0.45×99 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？ 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6.94.83.147.87.45+8.80.398+0

17、.36+3.649.64.83.65.171.83.24.025.40.983.687.562.680.25×16.2×45.272.860.661.6373.81.6413.85.3615.75+3.590.59+14.257.852.340.854.6635.61.815.67.23.822.90.189.10.4566.223.78 15.89(6.755.89) 13.75(3.756.48) 3.6×10266.868.661.34(1.250.125)×813.354.682.657.140.532.473.72×3.56.28&#

18、215;3.5 36.83.96.1 4.8×7.878×0.52 56.5×9.956.515.6×13.115.615.6×2.1 4.8×100.1 7.09×10.80.8×7.09 324.90.9 25.48(9.40.52) 4.2÷3.5 320÷1.25÷8 18.76×9.918.763.52÷2.5÷0.4 3.94.16.15.9 5.6÷3.5 9.6÷0.8÷0.4 4.2×994.2 1

19、7.8÷(1.78×4) 0.49÷1.4 1.25×2.5×32 3.65×10.1 15.2÷0.25÷4 0.89×100.1 146.5(2346.5) 3.83×4.563.83×5.44 4.36×12.5×8 9.7×999.7 8.9×1.01 27.5×3.77.5×3.7 8.54÷2.5÷0.4 0.65×101 3.2×0.25×12.5 (45.932

20、.7)÷8÷0.125 3.14×0.6831.4×0.032 5.6÷1.25÷0.8÷2.5÷0.4 7.2×0.22.4×1.4 7.74×（2.81.3）1.5×2.26 3.9×2.73.9×7.3 181.8÷0.125÷0.8 12.7×9.91.27 21×（9.33.7）5.6 15.02-6.8-1.02 5.4×11-5.4 2.3×16+2.3×23+2.3 9.

21、43-（6.28-1.57） 3.65×4.736.5×0.37 46×5723×86 13.7×0.253.7÷4 2.22×9.9+6.66×6.7 101×0.87-0.91×87 10.7×16.1-15.1×10.7 0.79×199 4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.98 0.134+2.66+

22、0.866 1.27+3.9+0.73+16.1 7.54.96.5 3.070.381.62 1.293.72.716.3 82.451.55 3.251.790.591.75 23.40.813.47.2 0.32×403 3.20.364.81.64 1.233.40.236.6 0.25×36 12.7（3.70.84） 36.541.764.54 0.25×0.73×4 7.6×0.80.2×7.6 0.85×199 0.25×8.5×4 1.28×8.60.72×8.6 1

23、2.5×0.96×0.8 10.49.6×0.35 0.8×（4.3×1.25） 3.123.12×99 28.6×10128.6 0.86×15.70.86×14.7 2.4×102 2.31×1.2×0.5 147.322.68 2.648.677.3611.33 70÷28 （2.50.25）×0.4 9.16×1.50.5×9.16 3.63.6×0.563.4÷2.5÷0.4 4.9÷1

24、.4 3.9÷（1.3×5） （7.71.54）÷0.7 2.5×2.4 2.7÷45 15÷（0.15×0.4）0.35×1.25×2×0.8 32.4×0.90.1×32.4 15÷0.25 4.5÷1.8 4.2÷3.5 930÷0.6÷5小數(shù)乘除法簡便計(jì)算專項(xiàng)練習(xí) 班級： 姓名： 一、計(jì)算1.25×3.2×0.25     4.7×1.25×

25、;1.6       1.25×88 1.25×6.4×0.25 4.6×0.35+4.6×0.652.55×1.5+1.5+6.45×1.5     2.95×101-2.95     12.5×5×0.163.2×10.1   0.52×105 10.01×4.5     5

26、9÷0.25 1.8×0.9+0.18    5.4×0.68+3.4×2×0.46 8.9×9.9+11×0.99（1.25+0.25）×16       ×0.6-0.64 3.7×0.44×2.59.73÷12.5÷0.8      7.8×4.86÷3.9 1.9×8.80.88 28.9&

27、#215;4÷289 0.7777×0.7+0.1111×2.1        888×1.6+222×3.6 92×0.9+7.2 4.8×7.878×0.52 1.87×9.90.187 3.14×0.6831.4×0.032 7.2×0.22.4×1.4 4.2×988.4 7.74×（2.81.3）1.5×2.26 12.7×9.91.27 2.3&

28、#215;16+2.3×23+2.3 3.65×4.736.5×0.374.6×572.3×86 2.22×9.9+6.66×6.7 101××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

29、 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×（ ）=7.208 21.2×0.34=（ ） 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

30、積比正確答案少0.81，那么另一個(gè)因數(shù)是多少？五年級數(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6.94.83.1 0.4566.223.78 15.89(6.755.89)4.025.40.98 5.171.83.2 13.75(3.756.48)3.687.562.68 7.852.340.854.66 35.61.815.67.23.822.90.189.1 9.64.83.6 7.140.532.475.272.860.661.63 13.354.682.65 73.81.6413.85.3647.87.45+8.8    0.398+0.36

31、+3.64              15.75+3.590.59+14.2566.868.661.34 36.83.96.1 324.90.9 324.90.9 146.5(2346.5) 9.43-（6.28-1.57）4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.

32、73+16.1 7.54.96.5 3.070.381.62 1.293.72.716.3 82.451.553.251.790.591.75 23.40.813.47.2 3.20.364.81.64 1.233.40.236.6 12.7（3.70.84） 36.541.764.54147.322.68 2.648.677.3611.33 （2）小數(shù)乘法計(jì)算0.25×16.2×4 (1.250.125)×8 3.6×102 320÷1.25÷8 3.72×3.56.28×3.5 1 4.8×7.878

33、×0.52 0.8×100.1 5.6×13.115.615.6×2.1 4.2÷3.5 7.09×10.80.8×7.0918.76×9.918.76 3.52÷2.5÷0.4 56.5×9.956.5 515.6×13.115.615.6×2.1 4.8×7.878×0.52 4.2÷3.5 4.8×100.1 56.5×9.956.5 7.09×10.80.8×7.09 18.76×

34、;9.918.76 3.52÷2.5÷0.4 320÷1.25÷8 9.6÷0.8÷0.4 4.2×994.2 15.2÷0.25÷4 0.89×100.1 17.8÷(1.78×4) 0.49÷1.4 1.25×2.5×32 3.65×10.1 3.83×4.563.83×5.44 9.7×999.7 3.14×0.6831.4×0.032 27.5×3.77.5×

35、3.7 8.54÷2.5÷0.4 0.65×101 3.2×0.25×12.5 (45.932.7)÷8÷0.125 5.6÷1.25÷0.8÷2.5÷0.4 4.36×12.5×87.2×0.22.4×1.4 8.9×1.01 7.74×（2.81.3）1.5×2.263.9×2.73.9×7.3 181.8÷0.125÷0.8 12.7×9.91.27 21

36、15;（9.33.7）5.6 5.4×11-5.4 4.5÷1.8 4.2÷3.5 63.4÷2.5÷0.4 4.9÷1.4 3.9÷（1.3×5） 930÷0.6÷5 7.71.54）÷0.7 2.5×2.4 2.7÷45 15÷（0.15×0.4）0.35×1.25×2×0.8 32.4×0.90.1×32.4 15÷0.25 （2.50.25）×0.4 9.16×

37、;1.50.5×9.16 3.63.6×0.5 70÷280.8×（4.3×1.25） 3.123.12×99 28.6×10128.60.86×15.70.86×14.7 2.4×102 2.31×1.2×0.57.6×0.80.2×7.6 0.85×199 0.25×8.5×4 4.6÷3.5 1.28×8.60.72×8.6 12.5×0.96×0.8 10.49.6&#

38、215;0.35 0.25×360.25×0.73×4 0.32×403 46×5723×86 0.79×199 13.7×0.253.7÷4 2.22×9.9+6.66×6.7 2.3×16+2.3×23+2.3 101××87 10.7××10.7 3.65×4.736.5×0.37 4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.54.96.5 3.070.381.62 1.293.72.716.3 82.451.55 3.251.790.591.