求助B=m=3ABBCCA)/2=0(60*14050*140)*260*50y(5)=52-4*55=10

Question

求助B= m=3AB BC CA)/2=0
(60*140 50*140)*2 60*50y(5)=52-4*5 5=10

Answer 1

loga[(x2^2-ax2)/(x1^2-ax1)]>0比方AD BE CF=(AB BC CA) (BC/2 CA/2 AB/2)比方f（x）=（根号下x^2-3x-4）/x 1a3 2a2b ab2-2a2b-ab2 b3