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(完整版)五年级上册数学简便计算

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下面各题怎样算简便就怎样算。

6.9+4.8+3.1 0.456+6.22+3.78 15.+(6.75-5.) 1.25×2.5×32

4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48) 3.68+7.56-2.68

7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6

7.14-0.53-2.47 5.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8-1.-13.8-5.36

47.8-7.45+8.80.398+0.36+3.15.75+3.59-0.59+14.25 0.25× 16.2×4

66.86-8.66-1.34 (1.25-0.125)×8 3.6×102 3.72×3.5+6.28×3.5

36.8-3.9-6.1 15.6×13.1-15.6-15.6×2.1 4.8×7.8+78×0.52 32+4.9-0.9

4.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09 25.48-(9.4-0.52)

18.76×9.9+18.76 3.9-4.1+6.1-5.9 3.65×10.1 0.×100.1 146.5-(23+46.5)

3.83×4.56+3.83×5.44 4.36×12.5×8 9.7×99+9.7 27.5×3.7-7.5×3.7

8.9×1.01 7.74×(2.8-1.3)+1.5×2.26 3.9×2.7+3.9×7.3 12.7×9.9+1.2721×(9.3-3.7)-5.6 15.02-6.8-1.02 5.4×11-5.4 2.3×16+2.3×23+2.3

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9.43-(6.28-1.57)3.65×4.7-36.5×0.37 46×57+23×86 2.22×9.9+6.66×6.7101×0.87-0.91×87 10.7×16.1-15.1×10.7 0.79×1994.8+8.63+5.2+0.37

5.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.65 1.57+0.245+7.43

6.02+3.6+1.98 8-2.45-1.55 0.134+2.66+0.866 1.27+3.9+0.73+16.1

7.5+4.9-6.5 3.07-0.38-1.62 1.29+3.7+2.71+6.3 +1.79-0.59+1.75

23.4-0.8-13.4-7.2 0.32×403 3.2+0.36+4.8+1. +3.4-0.23+6.6

4.5÷1.8 4.2÷3.5 930÷0.6÷5 63.4÷2.5÷0.4 (0.15×0.4)

4.9÷1.4 3.9÷(1.3×5)(7.7+1.54)÷0.7 2.5×2.4 2.7÷45

0.25×36 12.7-(3.7+0.84)36.54-1.76-4.54 0.25×0.73×4

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3.251.2315÷

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