5ab^2-{2a^2b-[3ab^2-(4ab^2-2a^2b]}化简
问题描述:
5ab^2-{2a^2b-[3ab^2-(4ab^2-2a^2b]}化简
限1小时。悬赏我有多少给你多少~十万火急
答
5ab^2-{2a^2b-[3ab^2-(4ab^2-2a^2b]}
=5ab^2-2a^2b+[3ab^2-(4ab^2-2a^2b)]
=5ab^2-2a^2b+3ab^2-(4ab^2-2a^2b)
=8ab^2-2a^2b-4ab^2+2a^2b
=4ab^2