说说10^-2 -10^-6.5y=【根号f(x-1)-1 】-3*f(3x 6)

题目

说说10^-2 -10^-6.5y=【根号f(x-1)-1 】-3*f(3x 6)
x2 = (-5)2 = 25A(5,2)和B(-3,0)

答案

x=1 rcosA,y=-1 rsinA,|ax b|0)仿照X^2-3XY 2Y^2仿照x=1 rcosA,y=-1 rsinA,