32.4×0.63+3.24×3.7+32.4 = = = 的简便运算

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32.4×0.63+3.24×3.7+32.4===的简便运算32.4×0.63+3.24×3.7+32.4===的简便运算32.4×0.63+3.24×3.7+32.4===的简便运算32.4×0.

32.4×0.63+3.24×3.7+32.4 = = = 的简便运算
32.4×0.63+3.24×3.7+32.4 = = = 的简便运算

32.4×0.63+3.24×3.7+32.4 = = = 的简便运算
32.4×0.63+3.24×3.7+32.4
=32.4×0.63+32.4×0.37+32.4
=32.4×(0.63+0.37+1)
=32.4×2
=64.8

=32.4×(0.63+0.37+1)=32.4×2=64.8

提取公因式就可以了
32.4(0.63+0.37)+32.4=64.8