如题所述
第1个回答 2020-04-17
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本回答被网友采纳
39×22+13×34
=39×22+13×(34+5)
=(22+13)×(39×2)
=35×78
=2730本回答被网友采纳
第2个回答 2020-04-17
列式计算
39×22+13×34
=13x3x22+13x34
=13x(66+34)
=13x100
=1300
39×22+13×34
=13x3x22+13x34
=13x(66+34)
=13x100
=1300