如题所述
63x102脱式计算
=63x(100+2)
=63x100+63x2
=6300+126
=6426
=63x(100+2)
=63x100+63x2
=6300+126
=6426
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第1个回答 2020-07-06
63×102
=63×（100+2）
=63×100+63×2
=6300+126
=6426
=63×（100+2）
=63×100+63×2
=6300+126
=6426
