计算:180-x=5(90-x)
1个回答
180-x=450-5x
5x-x=450-180
4x=270
x=67.5
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相关问题
90/X+180=60/X-180
90(x-180)=60(x+180) 求x
1/3(180-x)-10=90-x这个计算题怎么做
解方程:180-X+(90-X)=180
60X-X-90=180
180-X÷90-X=3
(90°-x)+(180°-x)过程,急.
90-(180-x)=0.4x
90-x+180-x=136的答案
sin(360--x)cos(180+x)cos(90+x)