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1.2×(9.6÷24)÷4.8的简便计算

9.6÷24=0.41.2×0.4=0.480.48÷4.8=0.1

1.2*9.6/4.8/2.4=1

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9.6÷1.25÷4.8÷8怎么简便计算 9.6÷1.25÷4.8÷8 =(9.6÷4.8)÷(1.25*8) =2÷10 =0.2

解:4.8 ÷ 1.2 - 0.78 ÷ 2.6 = (4×10 + 8)/ 10 ÷ (1×10 + 2)/10 - 78/100 ÷ (2×10 + 6)/10 = 48/10 ÷ 12/10 - 78/100 ÷ 26/10 = 48/10 × 10/12 - 78/100 ÷ 260/100 =4 - 78/100 × 100/260 = 4 - 3/10 = 40/10 - 3/10 = 37/10 = 3.7

简便计算: [1.9+1.9×(4.8—3.81)]÷(2.9—2.8) =[1.9+1.9×0.99]÷0.1 =1.9×(1+0.99)÷0.1 =1.9×1.99÷0.1 =3.781÷0.1 =37.81 2—(1881×1882—1)分之(1881 +1880×1882) =2—(1880×1882+1882—1)分之(1881 +1880×1882) =2—(1880×1882+1881)分之(1881 +1...

25.6×4.8÷(12.8×1.2) =25.6x4x1.2÷(12.8×1.2) =12.8x2x4x1.2÷(12.8×1.2) =2x4x12.8x1.2÷(12.8×1.2) =8x12.8x1.2÷(12.8×1.2) =8x(12.8x1.2)÷(12.8×1.2) =8

原式 =4.8÷(0.24x2) =4.8÷0.48 =10 供参考。

=9.6÷4.8x2.25 =2x2.25 =4.5

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