x²=(x-5)²+120² ,
4个回答
x²=(x-5)²+120²
x^2=x^2-10x+25+14400
10x=14375
x=1437.5
相关问题
X-0.5X+120=0.5X+120
120/[x*(1-1/5)]=120/x+5
(120-50x)/5=(50x-5x)/(50+5)+(120-50x)/50 求结果
120-4(x+5)=25 120-4(x+5)=25
解2个方程:(120-50X)/5 =2*(50X-5X)/(50+5)+(120-50X)/50 和t=X+(120-
5x+{120-x}*3=120 怎么解
x+(x+5)+(x+10)=120
(8+X)x5=120
x+120=5x 急,