55乘63减63乘45 简便计算

2025-05-23 18:12:36
推荐回答(5个)
回答1:

回答2:

55x63-63x45
=(55-45)x63
=10x63
=630

回答3:

回答4:

原式=63×(55-45)
=63×10
=630

回答5:

63*(55-45)