Question

求高手解答这道数学题

求高手解答数学题

Answer 1

h1 + b1 = h2 + b2 = h3 + b3,
h1 = b2 + b3,
h3 = (h1 + h2 + h3)*2/5
联立以上四个方程，可以解出
b1 = 1/4 (4 h2 - h3),
b2 = -h2 + (5 h3)/4,
b3 = h3/4,
h1 = -h2 + ( 3 h3)/2
再计算出
(b1+b2+b3) / (b1+b2+b3+h1+h2+h3)
= 1/3