化简代数8X-9-6-4X+X -10X-3Y+20+12X+5X2Y6X+4X÷2-7-5X+3_数学解答

化简代数
8X-9-6-4X+X
-10X-3Y+20+12X+5X2Y
6X+4X÷2-7-5X+3

人气：348 ℃　时间：2020-04-20 17:31:07

解答

8X-9-6-4X+X
=5X-15
-10X-3Y+20+12X+5X2Y
=2X+10XY-3Y+20
6X+4X÷2-7-5X+3
=6X+2X-7-5X+3
=3X-4