0.287*48+5.6*2087-287*0.004,简便计算

0.287*48+5.6*2087-287*0.004,简便计算
2025-04-07 17:59:55
推荐回答(1个)
回答1:

0.287*48+5.6*2.87-287*0.004
=0.287x48+56x0.287-0.287x4
=0.287x(48+56-4)
=0.287x100
=28.7