39×22+13×34的简便运算怎么写?

2024-12-29 18:41:33
推荐回答(2个)
回答1:

关于39×22+13×34的简便运算方法,详细的过程如下:
39×22+13×34
=39×22+13×(34+5)
=(22+13)×(39×2)
=35×78
=2730

回答2:

列式计算
39×22+13×34
=13x3x22+13x34
=13x(66+34)
=13x100
=1300