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化简:2a^2b-3ab^2+1/2a^3b-2ab^2+3ab^3-0.5a^3b

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化简:2a^2b-3ab^2+1/2a^3b-2ab^2+3ab^3-0.5a^3b
化简:2a^2b-3ab^2+1/2a^3b-2ab^2+3ab^3-0.5a^3b
2a^2b-3ab^2+1/2a^3b-2ab^2+3ab^3-0.5a^3b
=2a^2b-3ab^2-2ab^2+3ab^3+(1/2a^3b-0.5a^3b )
=2a^2b-3ab^2-2ab^2+3ab^3
=2a^2b+3ab^3-(3ab^2+2ab^2)
=2a^2b+3ab^3-5ab^2