简便方法:49.8乘以2.73+2.73乘以50.3+0.273

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简便方法:49.8乘以2.73+2.73乘以50.3+0.273
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简便方法:49.8乘以2.73+2.73乘以50.3+0.273
简便方法:49.8乘以2.73+2.73乘以50.3+0.273

简便方法:49.8乘以2.73+2.73乘以50.3+0.273
49.8×2.73+2.73× 50.3+0.273
=2.73×(49.8+50.3)+0.273
=2.73×(100+0.1)+0.273
=273+0.273+0.273
=273.546