49.8×2.73+2.73×50.1+0.273 简算

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49.8×2.73+2.73×50.1+0.273 简算
49.8×2.73+2.73×50.1+0.273 简算

49.8×2.73+2.73×50.1+0.273 简算
49.8×2.73+2.73×50.1+0.273
=2.73×(49.8+50.1+0.1)
=2.73×100
=273

49.8×2.73+2.73×50.1+0.273
=2.73*99.9+2.73*0.1
=2.73*100
=273

=2.73X(49.8+50.1+0.1)=2.73X100=273