五年級下冊小數(shù)簡便計(jì)算練習(xí)題

精品文檔2016全新精品資料-全新公文范文-全程指導(dǎo)寫作–獨(dú)家原創(chuàng)1/1五年級下冊小數(shù)簡便計(jì)算練習(xí)題一、口算。24×5＝100－23.56＝1.5×0.4＝0.8×50＝2×25＝

8×125＝1－0.48＝.65×1＝0.2×500＝.5×4＝12×16＋8×16＝

二、運(yùn)用運(yùn)算定律填空。

4.8+8.63+5.2+0.5.93+0.19+2.811.76+0.195+3.24

2.35+1.713+0.287+7.61.57+0.245+7.6.02+3.6+1.98

0.134+2.66+0.8661.27+3.9+0.73+16.1.5＋4.9－6.5

3.07－0.38－1.1.29＋3.7＋2.71＋6.8－2.45－1.55

3.25＋1.79－0.59＋1.7523.4－0.8－13.4－7.0.32×403

3.2＋0.36＋4.8＋1.61.23＋3.4－0.23＋6.60.25×36

12.7－6.54－1.76－4.540.25×0.73×4

7.6×0.8＋0.2×7.60.85×190.25×8.5×4

1.28×8.6＋0.72×8.12.5×0.96×0.10.4－9.6×0.35

0.8×3.12＋3.12×9928.6×101－28.6

×0.0.86×15.7－0.86×14..4×102

14－7.32－2.62.64＋8.67＋7.36＋11.332.31×1.2×0.5

4.02＋5.4＋0.985.17－1.8－3.213.75－

3.68＋7.56－2.687.85＋2.34－0.85＋4.66.6－1.8－15.6－7.2

3.82＋2.9＋0.18＋9.1.6＋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+3.6415.75+3.59－0.59+14.22.5－

73.8－1.64－13.8－5.366.86－8.66－1.340.25×16.2×4

3.72×3.5＋6.28×3.6.8－3.9－6.15.48－

4.8×7.8＋78×0.523.6×1026.4×0.25＋3.6÷4

32＋4.9－0.94.8－4.8×0.5×8

4.8×100.1.5×9.9＋56..09×10.8－0.8×7.09

4.2÷3.5320÷1.25÷818.76×9.9＋18.76

3.52÷2.5÷0.4.78÷0.2＋3.443.9－4.1＋6.1－5.9

0.49÷1.1.25×2.5×3.6－0.6×2

3.65×10.13.6－3.6×0.15.2÷0.25÷4

5.6÷3.59.6÷0.8÷0.4.2×99＋4.2

0.89×100.1146.5－17.8÷

5.83×2＋4.27÷8÷0.1259.7×99＋9

.7

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

27.5×3.7－7.5×3.78.54÷2.5÷0..83×4.56＋3.83×5.44

×0.9.16×1.5－0.5×9.16.6－3.6×0.5

4.5÷1..2÷3.30÷0.6÷5

63.4÷2.5÷0.4.9÷1.4.9÷

÷0..5×2.42.7÷45

0.35×1.25×2×0.82.4×0.9＋0.1×32.15÷0.25

70÷15÷4.25÷2.5×9.9＋0.17

0.125×640.68×101.26×5.7－3.26×0.7

55.6×99＋55.61.25×213×0.19.625－

3.42×5.7＋4.3×3.4.75×11－8.7.9×212

0.4×2.1＝○0.4×2.5＝○

×25＝×25＋×25

9.8×124＝×124＝×－×

三、兩個(gè)筑路隊(duì)，甲隊(duì)8天修路6.48千米，乙隊(duì)9天修路10.35千米，先說說哪個(gè)隊(duì)的工作效率高些，再計(jì)算一下你說的對不對。

四、一個(gè)六層塔，每一層點(diǎn)燈的盞數(shù)都是它的上一層的3倍，已知最頂層點(diǎn)了2盞燈，求這座塔共點(diǎn)了多少盞燈？

五上小數(shù)乘除法簡便運(yùn)算專項(xiàng)練習(xí)題

班級___________姓名______________

2.5×7.1×16.12×99＋16.125.2×0.9＋0.9.3×50×0.2

0.75×1990.86×15.7－0.86×14.0.25×3.2÷3.5

7.28×99+7.226×15.7＋15.7×24

8.05×3.4+7.×3.32×25

4.8×100.1.09×10.8－0.8×7.09

0.9÷×1.9.5×99.8

1.2×÷4.832＋4.9－0.12.5×0.4×2.5×84.×1.8－4.8×0.5×0.279×343＋0.657×27.×17.-.×.4

五上小數(shù)乘除法簡便運(yùn)算專項(xiàng)練習(xí)題

班級___________姓名______________

2.5×.8×299..5×1.25×0.320.125×72

0.25×39+0.256.8×0.75÷0.28×0.56＋44×0.412.5×56

13.5×0.12.5×8.5.7×0.28＋6.3×0.28－0.28×2

9.5×9.16×1.53－0.053×91..9÷4.2÷3.5

15÷3.4÷2.5÷0..6－3.6×0.7×0.8

40.÷0.81×0.184.4×0.8－3.4×0.×．5

2

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。

小數(shù)加減法計(jì)算

6.9＋4.8＋3.10.456＋6.22＋3.715.89＋

4.02＋5.4＋0.9.17－1.8－3.213.75－

3.68＋7.56－2.6.85＋2.34－0.85＋4.6635.6－1.8－15.6－7.2

3.82＋2.9＋0.18＋9.1.6＋4.8－3..14－0.53－2.47

5.27＋2.86－0.66＋1.13.35－4.68＋2.65.8－1.64－13.8－5.36

47.8－7.45+8.80.398+0.36+3.15.75+3.59－0.59+14.25

66.86－8.66－1.346.8－3.9－6.1＋4.9－0.9

25.48－.9－4.1＋6.1－5.15.02-6.8-1.02

32＋4.9－0.146.5－.43-

4.8+8.63+5.2+0.5.93+0.19+2.811.76+0.195+3.24

2.35+1.713+0.287+7.61.57+0.245+7.6.02+3.6+1.98

0.134+2.66+0.8661.27+3.9+0.73+16.1.5＋4.9－6.5

3.07－0.38－1.1.29＋3.7＋2.71＋6.8－2.45－1.55

3.25＋1.79－0.59＋1.7523.4－0.8－13.4－7.2.2＋0.36＋4.8＋1.64

1.23＋3.4－0.23＋6.12.7－6.54－1.76－4.54

14－7.32－2.62.64＋8.67＋7.36＋11.33

小數(shù)乘法計(jì)算

0.25×16.2××8.6×10220÷1.25÷8

3.72×3.5＋6.28×3.51.8×7.8＋78×0.50.8×100.1

5.6×13.1－15.6－15.6×2.14.2÷3.5.09×10.8－0.8×7.09

18.76×9.9＋18.76.52÷2.5÷0.456.5×9.9＋56.5

515.6×13.1－15.6－15.6×2.14.8×7.8＋78×0.524.2÷3.5

4.8×100.16.5×9.9＋56..09×10.8－0.8×7.09

18.76×9.9＋18.763.52÷2.5÷0.420÷1.25÷8

9.6÷0.8÷0..2×99＋4.215.2÷0.25÷40.89×100.1

17.8÷0.49÷1.1.25×2.5×3.65×10.1

3.83×4.56＋3.83×5.449.7×99＋9..14×0.68＋31.4×0.032

27.5×3.7－7.5×3..54÷2.5÷0.0.65×101.2×0.25×12.5

÷8÷0.12.6÷1.25÷0.8÷2.5÷0..36×12.5×8

7.2×0.2＋2.4×1..9×1.01.74×＋1.5×2.26

3.9×2.7＋3.9×7.318－1.8÷0.125÷0.12.7×9.9＋1.27

21×－5.65.4×11-5..5÷1.84.2÷3.5

63.4÷2.5÷0.4.9÷1.43.9÷30÷0.6÷5

7.7＋1.54）÷0.72.5×2..7÷15÷

0.35×1.25×2×0.82.4×0.9＋0.1×32.15÷0.25

×0.49.16×1.5－0.5×9.163.6－3.6×0.50÷28

0.8×3.12＋3.12×9928.6×101－28.6

0.86×15.7－0.86×14..4×102.31×1.2×0.5

7.6×0.8＋0.2×7.0.85×