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125 72简便计算两种

125*72=125*8*9=1000*9=9000125*72=125*(70+2)=8750+250=9000

125*72=125*(8*9)=125*8*9 (乘法结合律)=1000*9=9000 望采纳

125X72 =125X8X9 =1000X9 =9000

72x125=9x8x125=9x1000=9000 愿能帮到你.

=125*(8*9)=125*8*9=1000*9=9000

125*72=125*8*9=1000*9=9000

125*72=125*(70+2)=125*70+125*2=8750+250=9000

如果是乘法可以把72拆成8乘9,除法没啥简便

72*125=8*9*125=8*125*9=1000*9=9000 学习进步哦~

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