2x平方-33x+130=0求解!
问题描述:
2x平方-33x+130=0求解!
答
(2x-13)*(x-10)=0
x=10
x=6.5
2x平方-33x+130=0求解!
(2x-13)*(x-10)=0
x=10
x=6.5