46.4×37+46.4×64-46.4简便算法

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46.4×37+46.4×64-46.4简便算法

46.4×37+46.4×64-46.4简便算法
46.4×37+46.4×64-46.4简便算法

46.4×37+46.4×64-46.4简便算法
46.4×37+46.4×64-46.4
=46.4*(37+64-1)
=46.4*100
=4640

46.4×37+46.4×64-46.4
=46.4×(37+64-1)
=46.4×100
=4640

46.4*(37+64-1)=46.4*100=4640