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o.25x4.8x0.5的简便计算

0.25*4.8*0.5 =0.25X4X0.6X0.5 =1X0.3 =0.3

4.8-4.8X0.5 =4.8x(1-0.5) =4.8x0.5 =2.4 祝天天向上。

0.25x4.8x0.5用简便法算 =0.25x4x1.2x0.5 =1x0.6 =0.6

64X0.25X0.5X1.25 =(4x2x8)x0.25x0.5x1.25 =(4x0.25)x(2x0.5)(8x1.25) =1x1x10 =10 运用乘法交换律、结合律。 希望能帮到你!

4.8-4.8x0.5 =4.8-2.4 =2.4

5.2

列式计算为 4.8×0.5 =4.8÷2 =2.4 所以原式的结果为2.4

原式 =0.85x0.5+0.25x2x0.15 =0.85x0.5+0.5x0.15 =(0.85+0.15)x0.5 =1x0.5 =0.5

原式 =25x(4x4x4)x2.5x0.5 =(25x4)x(4x2.5)x(4x0.5) =100x10x2 =1000x2 =2000

4.8x1.25x0.5 =8x0.6x1.25x0.5 =(8x1.25)x(0.6x0.5) =10x0.3 =3

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