5/根号13-6/根号13-3化简
问题描述:
5/根号13-6/根号13-3化简
答
5/√13 - 6/√13 - 3
= 5 √13 / 13 - 6 √13 / 13 - 3 (分母有理化)
= - √13 / 13 - 3