90-x+180-x=136的答案
1个回答
90+180-2x=136
270-2x=136
2x=270-136
2x=134
x=67
相关问题
90/X+180=60/X-180
90(x-180)=60(x+180) 求x
解方程:180-X+(90-X)=180
60X-X-90=180
计算:180-x=5(90-x)
180-X÷90-X=3
(90°-x)+(180°-x)过程,急.
90-(180-x)=0.4x
sin(360--x)cos(180+x)cos(90+x)
(180-x)除以(90-x)=3怎么求