7/0.25简便计算
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7/0.25简便计算
7/0.25
=(7*4)/(0.25*4)
=28/1
=28
运营商不变的性质
7/0.25
=7/(1/4)
=7*4
=28
7/0.25=7x4/0.25x4=28
7/0.25简便计算
7/0.25
=(7*4)/(0.25*4)
=28/1
=28
运营商不变的性质
7/0.25
=7/(1/4)
=7*4
=28
7/0.25=7x4/0.25x4=28