如题所述
47x101
=47*ï¼100+1ï¼
=47*100+47
=4700+47
=4747
=47*ï¼100+1ï¼
=47*100+47
=4700+47
=4747
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第1个回答 2016-01-16
47x101
=47x100+47*1
=4700+47
=4747
=47x100+47*1
=4700+47
=4747