急求小学四年级200竖算

乘法:

5.6×2.9

3.77×1.8

0.02×96

5.22×0.3

9.99×0.02

4.67×0.9

5×2.44

1.666×6.1

9.432×0.002

5.6×6.5

4.88×2.9

5.61×4.3

8.9×2.4

5.5×55

9.77×0.02

1.384×5.1

8.78×83

2.6×61

0.059×0.2

4.268×1.7

57×5.7

9.46×2.85

17.8×6.4

1.5×4.9

2.5×0.88

5.555×5.2

2.22×3.33

7.658×85

36.02×0.3

56.78×8

部门:

85.44÷16

42.84÷7

101.7÷9

67.5÷15

230.4÷6

21.24÷36

0.736÷23

43.5÷12

35.21÷7

39.6÷24

6.21÷0.03

210÷1.4

51.3÷0.27

91.2÷3.8

0.756÷0.18

0.66÷0.3

11.97÷1.5

69.6÷2.9

38.4÷0.8

15÷0.06

(用简单的方法循环小数，除了2位小数):

8.2÷0.12

0.8÷0.9

76.4÷5.4

4.7÷3

1.25÷1.2

32÷42

14.36÷2.7

8.33÷6.2

1.7÷0.03

2.41÷0.7

使用垂直计算

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 =(保留一位小数)。

7.15×22 90.75÷3.3 3.68×0.25

16.9÷0.13 1.55÷3.9 3.7×0.016

13.76×0.8= 5.2×0.6 8.4×1.3

6.4×0.5 4.48×0.4 5.25×5

35.4×4.2 0.042×0.54 0.76×0.32

0.25×0.046 2.52×3.4 1.08×25

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=(商业循环小数)

10.75÷12.5=(用乘法检查)3.25×9.04=(用除法检查)

3、离型计算(可简化为简化)

2.5×7.1×4 16.12×99+16.12 5.2×0.9+0.9

7.28×99+7.28 4.3×50×0.2 64-2.64×0.5

26×15.7+15.7×24 (2.275 +0.625)×0.28

3.94+34.3×0.2 1.2×(9.6÷2.4)÷4.8

8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46

8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58

32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8

4.8×100.1 56.5×99+56.5 7.09×10.8-0.8×7.09

4.85 + 0.35 ÷ 1.4

8.7 × 17.4 - 8.7 × 7.4

12.5×0.4×2.5×8 0.87×3.16+4.64 9.5×101

0.68 ÷(5.2 -3.5)× 1.25

40.5 ÷ 0.81 × 0.18 4.8 ×(15 ÷ 2.4)

6.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8

(9.37+9.37+9.37+9.37)× 2.5

2.37×6.3+2.37×3.7 2.5×1.25×0.32 3.8×10.1

2.5×(3.8×0.04) 7.69×101 3.8×10.1

0.25×39+0.25 0.125×72 46×0.33+54×0.33

(8×5.27) ×1.25 6.81+6.81×99 0.25×185×40

6.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23.4÷7.2

9.5×99 13.5×0.98 12.5×8.8