如题所述
89×103
=89×(100+3)
=8900+267
=9167.
=89×(100+3)
=8900+267
=9167.
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第1个回答 2022-12-11
(90-1)*(100+3)
=90*100+90*3-103
=9167
=90*100+90*3-103
=9167