49.8×2.73+2.73×50.3-0.273 简算
问题描述:
49.8×2.73+2.73×50.3-0.273 简算
答
43354592 ,
49.8×2.73+2.73×50.3-0.273
=49.8×2.73+2.73×50.3-2.73×0.1
=2.73×(49.8+50.3-0.1)
=2.73×100
=273