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4.8%4.8X0.5的简便计算.

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

4.8-4.8*0.5=4.8*(1-0.5)=4.8*0.5=2.4

o.25x4.8x0.5 =0.25×4×1.2×0.5 =0.25×4×0.6×2×0.5 =1×0.6×1 =0.6

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

0.88×(4.8+5.2)=8.8

3.7x0.15 +4.02=(4-0.3)*0.15+4.02=4*0.15-0.3*0.15+4.02=0.60-0.045+4.02=4.575 4.8—4.8x0.5=4.8(1-0.5)=4.8*0.5=2.4

12-4.8×0.5 =12-12x0.4x0.5 =12x(1-0.4x.05) =12x0.8 =9.6

4.8分之5=0.6分之x:15 0.6分之x×4.8=5×15 8x=75 x=75/8

0.378×520+37.8×4.8简算 =37.8x5.2+37.8x4.8 =37.8x(5.2+4.8) =37.8x10 =378

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