1253减53乘以18怎么用简便计算?

2025-03-10 04:13:40
推荐回答(2个)
回答1:

(1253-53)✖️18=21600

回答2:

1253-53X18
=1253-53X20+53X2
=1253+106-1060
=1359-1060
=299