把6a+13a 6x-28-2.5x+30.5 8a-(5a+8) (5x+7)-(4x+0.18）这几个算试如何化简?①6a+13a② 6x-28-2.5x+30.5③ 8a-(5a+8) ④ (5x+7)-(4x+0.18）看不清哈

分类: 作业答案 • 2021-12-20 09:39:29

问题描述：

把6a+13a 6x-28-2.5x+30.5 8a-(5a+8) (5x+7)-(4x+0.18）这几个算试如何化简?
①6a+13a② 6x-28-2.5x+30.5③ 8a-(5a+8) ④ (5x+7)-(4x+0.18）看不清哈

答