8.6*2.7+8.6*5.5+1.4*8.2简便算法

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8.6*2.7+8.6*5.5+1.4*8.2简便算法8.6*2.7+8.6*5.5+1.4*8.2简便算法8.6*2.7+8.6*5.5+1.4*8.2简便算法8.6×2.7+8.6×5.5+1.4

8.6*2.7+8.6*5.5+1.4*8.2简便算法
8.6*2.7+8.6*5.5+1.4*8.2简便算法

8.6*2.7+8.6*5.5+1.4*8.2简便算法
8.6×2.7+8.6×5.5+1.4×8.2
=8.6×(2.7+5.5)+1.4×8.2
=8.6×8.2+1.4×8.2
=(8.6+1.4)×8.2
=10×8.2
=82