3.7×(19.2-11.8)怎么简算

2025-04-05 20:58:23
推荐回答(2个)
回答1:

原式=3.7×7.4=3.7×(10-2.6)=37-9.62=27.38

回答2:

解:3.7×(19.2-11.8)
=3.7x7.4
=(4-0.3)x7.4
=29.6-2.22
=27.38