锐角三角形
(a/c)^2+(b/c)^2>(a/c)^3+(b/c)^3=1
c^2过程 能否再详细一点 “(a/c)^2+(b/c)^2>(a/c)^3+(b/c)^3=1”这部看不懂显然a1所以(a/c)^2>(a/c)^3同理(b/c)^2>(b/c)^3所以(a/c)^2+(b/c)^2>(a/c)^3+(b/c)^3=1”