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8x5.27x1.25的简便计算

=8*1.25*5.27=10*5.27=52.7

先算8*1.25再*5.27

8*5.27*1.25=5.27*(8*1.25)=5.27*10=52.7

52.7

8X1.25X5.27

(8x1.25 x2.57 )=10x2.57 =25.7

把括号打开,先计算8x1.25=10,然后计算5.2x10=52,最后52x5=260.

5x5.27x1.25=32.9375

1.25x5.27=10*5.27/8=527/80=6又47/80

8x3.56x1.25=8x1.25x3.56=10x3.56=35.6

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