简便计算88.8*1.2+2.22*52

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简便计算88.8*1.2+2.22*52

88.8*1.2+2.22*52
=2.22*48+2.22*52
=2.22*(48+52)
=2.22*100
=222

88.8×1.2+2.22×52
=﹙2.22×40﹚×1.2+2.22×52
=2.22×﹙40×1.2﹚+2.22×52
=2.22×48+2.22×52
=2.22×﹙48+52﹚
=2.22×100
=222