7.2×0.6+0.4×7.2简便计算

7.2×0.6+0.4×7.2简便计算
2025-05-12 11:43:19
推荐回答(1个)
回答(1):

7.2×0.6+0.4×7.2
=7.2x(0.6+0.4)
=7.2x1
=7.2