90/X+180=60/X-180
4个回答
90/X+180=60/X-180
90+180X=60-180X
180X+180X=60-90
360X=-30
X=-1/12
相关问题
90(x-180)=60(x+180) 求x
60X-X-90=180
解方程:180-X+(90-X)=180
1) 化简 tan60°sin(180°-x)+cos30°cos(90°+x) .
计算:180-x=5(90-x)
180-X÷90-X=3
(90°-x)+(180°-x)过程,急.
90-(180-x)=0.4x
X+1.5X*(180/X-1-40/60)=180这个方程怎么做.
90-x+180-x=136的答案