五年级数学下册『小数简便计算』练习题,必考题型,收藏练习! 您所在的位置:网站首页 101x15—101简便计算 五年级数学下册『小数简便计算』练习题,必考题型,收藏练习!

五年级数学下册『小数简便计算』练习题,必考题型,收藏练习!

2023-06-21 15:12| 来源: 网络整理| 查看: 265

原标题:五年级数学下册『小数简便计算』练习题,必考题型,收藏练习!

王老师整理了小学五年级数学下册『小数简便计算』练习题,必考题型,收藏练习!

15.68﹣(7.78﹣4.32)﹣2.32

=15.68﹣7.78+4.32﹣2.32

=(15.68+4.32)﹣(7.78+2.32)

=20﹣10.1

=9.9

4.63×1.4+46.3×0.86

=46.3×0.14+46.3×0.86

=46.3×(0.14+0.86)

=46.3×1

=46.3

12.5×0.76×0.4×8×2.5

=(12.5×8)×(0.4×2.5)×0.76

=100×1×0.76

=76

23.25﹣6.75﹣3.25

=23.25﹣(6.75+3.25)

=23.25﹣10

=13.25

0.9+9.9+99.9+999.9

=1﹣0.1+10﹣0.1+100﹣0.1+1000﹣0.1

=(1+10+100+1000)﹣(0.1+0.1+0.1+0.1)

=1111﹣0.4

=1110.6

(36.7﹣4.9)×101﹣31.8

=31.8×101﹣31.8

展开全文

=31.8×(101﹣1)

=31.8×100

=3180

4.52+0.61+1.39+6.48

=(4.52+6.48)+(0.61+1.39)

=11+2

=13

(294.4﹣19.2×6)÷(6+8)

=(294.4﹣115.2)÷14

=179.2÷14

=12.8

[(8.1﹣5.6)×0.9﹣1.05]÷0.04

=[2.5×0.9﹣1.05]÷0.04

=[2.25﹣1.05]÷0.04

=1.2÷0.04

=30

(9.36×5+9.36+9.36×2)×1.25

=9.36×(5+2+1)×1.25

=9.36×8×1.25

=9.36×(8×1.25)

=93.6

12.54﹣4.56﹣3.44﹣1.54

=(12.54﹣1.54)﹣(4.56+3.44)

=11﹣8

=3

2.72÷[(8.2﹣6.5)×0.5]

=2.72÷[1.7×0.5]

=2.72÷0.85

=3.2

9.12+9.12×9﹣60.2

=(1+9)×9.12﹣60.2

=10×9.12﹣60.2

=91.2﹣60.2

=31

2.15+8.73+1.27+7.85

=(2.15+7.85)+(8.73+1.27)

=10+10

=20

2.5×(1.9+1.9+1.9+1.9)

=2.5×4×1.9

=10×1.9

=19

4×(25+2.5+0.25)÷111

=(4×25+4×2.5+4×0.25)÷111

=(100+10+1)÷111

=111÷111

=1

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