为什么246×321963/123369 =2x123x321963/123x1003 =2x321x1003/1003 =2x321 =642

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为什么246×321963/123369 =2x123x321963/123x1003 =2x321x1003/1003 =2x321 =642
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为什么246×321963/123369 =2x123x321963/123x1003 =2x321x1003/1003 =2x321 =642
为什么246×321963/123369 =2x123x321963/123x1003 =2x321x1003/1003 =2x321 =642

为什么246×321963/123369 =2x123x321963/123x1003 =2x321x1003/1003 =2x321 =642
246×321963/123369
=2x123x321963/123x1003
=2x321x1003/1003
=2x321
=642
过程就是先提取公因式 能约分的约分.最后剩下的就是答案了.