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脱式计算,能简算的要简算.0.88×4.9+5.1×0.884.7×...

(1)0.88×4.9+5.1×0.88,=0.88×(4.9+5.1),=0.88×10,=8.8;(2)4.7×10.2,=4.7×(10+0.2),=4.7×10+4.7×0.2,=47+0.94,=47.94;(3)3.24×1.6÷0.27,=5.184÷0.27,=19.2.

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