用简便方法计算,7.6乘以5.5加7.6乘以3.7加7.6

2024-11-23 18:30:11
推荐回答(1个)
回答1:

7.6×3.7+7.6
=7.6×(3.7+1)
=7.6×4.7
=7.6×5-7.6×0.3
=38-2.28
=35.72