Question

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

Answer 1

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

Answer 2

5ab²-{2a²b-[3ab²-(4ab²-2a²b]}
=5ab²-2a²b+3ab²-4ab²+2a²b
=4ab²