b满足条件√a-5 -2 √10-2ab满足条件√a-5 -2 √10-2a =b+4,求a-b的算数平方根.
问题描述:
b满足条件√a-5 -2 √10-2a
b满足条件√a-5 -2 √10-2a =b+4,求a-b的算数平方根.
答
b满足条件√a-5 -2 √10-2a
b满足条件√a-5 -2 √10-2a =b+4,求a-b的算数平方根.