100×2/101简便

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100×2/101简便100×2/101简便100×2/101简便=(101-1)×2/101=101×2/101-1×2/101=2-2/101=1又99/101100*2/101=(101-1)*

100×2/101简便
100×2/101简便

100×2/101简便
=(101-1)×2/101
=101×2/101-1×2/101
=2-2/101
=1又99/101

100*2/101
=(101-1)*2/101
=101*2/101-1*2/101
=2-2/101
=202/101-2/101
=200/101
=1又99/101