来自娄强的问题
化简(8x+5.4)-(3x-6.7)4x-3.6-1.4x+25.2x·x·x+a+a+a4y-(2y-6)+43a·a·a+a+5-4.26x*(1.4-0.75+2.65)4m+3a+2a-1.5m6.4-y-2.8-3y
化简(8x+5.4)-(3x-6.7)
4x-3.6-1.4x+25.2x·x·x+a+a+a4y-(2y-6)+43a·a·a+a+5-4.2
6x*(1.4-0.75+2.65)4m+3a+2a-1.5m6.4-y-2.8-3y
2回答
2020-06-29 02:03