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56乘10.1用简便的方法计算

56*10.1 =56*(10+0.1) =560+5.6 =565.6

0.56×(10+0.1)=5.6+0.056=5.656

54×10.1 =54×(10+0.1) =54×10+54×0.1 =540+5.4 =545.4

63×(10+0.1)=63×10+63×0.1=636.3

7.56x10.1 =7.56x10+7.56x0.1 =75.6+0.765 =76.365

65x10+65x0.1

6.7×10.1 =6.7×10+6.7×0.1 =67+0.67 =67.67

8.6*(10+0.1) =8.6*10+8.6*0.1 =86+0.86 =86.86

怎么用简便方法 5.6×10.1-0.56 =0.56×101-0.56 =0.56×(101-1) =0.56×100 =56

10.1×5.6×1.6用简便法计算 10.1×5.6×1.6 =56.56*1.6 = 90.496 直接计算 没有简算

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