(8-x)2=62+x2
问题描述:
(8-x)2=62+x2
答
(8-x)^2=62+x^2
64-16x+x^2=62+x^2
16x=2
x=1/8
(8-x)2=62+x2
(8-x)^2=62+x^2
64-16x+x^2=62+x^2
16x=2
x=1/8