如题所述
5.51×0.27+0.551×7.3
=5.51×0.27+5.51×0.73
=5.51×(0.27+0.73)
=5.51×1
=5.51
=5.51×0.27+5.51×0.73
=5.51×(0.27+0.73)
=5.51×1
=5.51
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第1个回答 2020-01-07
5.51*0.27+0.551*7.3=5.51(0.27+0.73)
=5.51*1=5.51
=5.51*1=5.51