34x2.6+7·4x17x2用简便运算怎么算

2025-02-24 04:28:58
推荐回答(1个)
回答1:

34x2.6+7.4x17x2
=34x2.6+7.4x34
=34x(2.6+7.4)
=34x10
=340.