如题所述
35X78X101
=35x2x39x101
=70x39x101
=2730xï¼100+1ï¼
=2730x100+2730
=273000+2730
=275730
=35x2x39x101
=70x39x101
=2730xï¼100+1ï¼
=2730x100+2730
=273000+2730
=275730
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第1个回答 2017-03-12
=35x2x39x(100+1)
=70x39x(100+1)
=2730x100+2730
=273000+2730
=275730
=70x39x(100+1)
=2730x100+2730
=273000+2730
=275730