请问一下f(x 3) f(X 4)include

问题描述:

请问一下f(x 3) f(X 4)include Bx2^2-ax2)/(x1^2-ax1)>1 x| |y-2/1|=0

COSA COSB COSC因为x2 = (-5)2 = 25因为10^-6.5*10^4.5-10^-6.5 = -3.1622776601684 * 10 -7AD BE CF=(AB BC CA) (BC/2 CA/2 AB/2)