小数简便计算题100道

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3.56 4.546.445.46



5.030.251.75

0.5)

87.4(21.2517.4) 8.75

19.43(6.721.43)

17.283.866.142.72 4.5 5.5 4.55.5 28.491.12.476.43 3.251.790.591.75 27.385.342.624.66

12.87 1.34 2.66 15.21(4.792.8) 109.72(5.629.72) 39.6(18.319.6) 1.69 24.513.146.864.49 11.58.511.58.5 34.342.12.355.55 1.3512.871.378.65 21.624.358.385.65

8.59 X 101



4.86 5.241.86 23.7 1.63.7 8.4 14.6 9.9

1.91.991.999

2.69 1.353.312.65 5.25 3.762.764.75 21.53(13.648.47) 7.34 2.52.661.5 3.79 1.225(3.7756.21) 4.12 8.595.881.41 21.534.872.53 12.192.62.193.4 21.3 19.9

14.252.455.75 3.55 41.255.873.87 4.65 8.13 (12.2511.87) 81.674.174.33 2.17 15.513.334(2.6664.49) 0.125 X 3.69 X 8

8.13(1.87



(2.5 0.25) X 4

0.36 X 15.7 0.36 X 13.7

5.64 X 1.28 8.72 X 5.64

7.73 X 0.5 + 2.27 -2

9.9 - 5.5

0.63 X 199 60 - 48

4.3799X 4.37 10.1 X 38.67 3.867








8.63 X 25 - 0.063 X 250 9.3 X 10.1

25

3.99 - 0.125 -8

0.99 X 0.81 0.11 X 9X 0.19 0.25X1.25X0.67X32 33.41 - 4- 3.41 X 0.25

6.448 - 0.8 15X 9.7 5.23 5.235.235.23 X



2.49 X 3.8 0.249 X 62 54.8 - 0.3 X 0.3 -3.91 2.5 X 48 X 12.5

0.25X8X2.12 12.5-1.25X8



5.7X18.34-57X0.834

3.25 X 199

5.2 X 20.1

3.87X4.125.88X3.87 5.6499X 5.64 3.7X1.63-0.37X15.3 2.5X 4.21 4.218.42



8.8 - 5.5 20.1 X 35.22 - 3.522

0.88X0.780.11X0.22X0.8 1.25 X 1.86 X 32X 0.25

7.254 -0.9 56.34-2-6.34X0.5

21.56 - 0.4 X 0.4 -3.841.25 X 2.5 X 84

4.34X0.250.25X5.560.025

2.73X0.1257.27-8



11.43 - 0.8 - 12.5



12X 19.8 7.56 X 101



80- 32




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