3.28x5.7十6.72x分.꧴7简便计算

2025-04-04 07:22:18
推荐回答(1个)
回答1:

3.28*5.7+6.72*57/10
=5.7*3.28+6.72*5.7
=5.7*(3.28+6.72)
=5.7*10
=57