计算:(4ab³+6a³b-8a³b²)÷2ab-(a+b)(3a-2b)

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计算:(4ab³+6a³b-8a³b²)÷2ab-(a+b)(3a-2b)

计算:(4ab³+6a³b-8a³b²)÷2ab-(a+b)(3a-2b)
计算:(4ab³+6a³b-8a³b²)÷2ab-(a+b)(3a-2b)

计算:(4ab³+6a³b-8a³b²)÷2ab-(a+b)(3a-2b)
(4ab³+6a³b-8a³b²)÷2ab-(a+b)(3a-2b)
=2b²+3a²-4a²b-3a²-3ab+2ab+2b²
=4b²-4a²b-ab

(4ab³+6a³b-8a³b²)÷2ab-(a+b)(3a-2b)
=2b²+3a²-4a²b-(3a²-2ab+3ab-2b²)
=2b²+3a²-4a²b-3a²+2ab-3ab+2b²
=4b²-4a²b-ab