48乘以0.25乘以1.25(简便计算)

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48乘以0.25乘以1.25(简便计算)
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48乘以0.25乘以1.25(简便计算)
48乘以0.25乘以1.25(简便计算)

48乘以0.25乘以1.25(简便计算)
48×0.25×1.25
=(40+8)×0.25×1.25
=40×0.25×1.25+8×0.25×1.25
=12.5+2.5
=15

=3*4*4*0.25*1.25=3*4*0.25*4*1.25=3*1*5=15

=40*0.25*(1.25*8)
=10*10
=100

可以转化为4乘4乘3乘4分之一乘4分之5等于15