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25乘以36的简便方法

乘法结合律

25X36=25X4X9=100X9=900

25x36 =(25x4)x9 =100x9 =900

36x25 =6x5x6x5 =30x30 =900 望采纳,谢谢

25*36=25*(4*9)=25*4*9=100*9=900

=25*(4*9)=25*4*9=100*9=900

25X(4X9) =25X4X9 =100X9 =900

6*6*5*5=(6*5)*(6*5)=900

25*36=25*4x9=100x9=900

36X25=9X(4X25)=9X100=900

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