6*1.6+28.8*36.8-14.4*80 要简便算法,

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6*1.6+28.8*36.8-14.4*80要简便算法,6*1.6+28.8*36.8-14.4*80要简便算法,6*1.6+28.8*36.8-14.4*80要简便算法,=6x1.6+28.8(3

6*1.6+28.8*36.8-14.4*80 要简便算法,
6*1.6+28.8*36.8-14.4*80 要简便算法,

6*1.6+28.8*36.8-14.4*80 要简便算法,
=6 x1.6+28.8(36.8-40)
=6 x1.6 - 28.8 x3.2
=3.2(3-28.8)
=-3.2x25.8
=-82.56