计算:c/ab+a/bc+b/ca,
问题描述:
计算:c/ab+a/bc+b/ca,
答
通分
c/ab+a/bc+b/ca
=(c^2+a^2+b^2)/(abc)
计算:c/ab+a/bc+b/ca,
通分
c/ab+a/bc+b/ca
=(c^2+a^2+b^2)/(abc)