2x²y+3xy²-(6x²y-3xy²) (6a²-8a+11b的3次方)-(11a²+2b的3次方)(4mn²+3m²n-4m)-2(mn²+2分之3m²n+1 )
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 06:09:38
![2x²y+3xy²-(6x²y-3xy²) (6a²-8a+11b的3次方)-(11a²+2b的3次方)(4mn²+3m²n-4m)-2(mn²+2分之3m²n+1 )](/uploads/image/z/1998792-0-2.jpg?t=2x%26%23178%3By%2B3xy%26%23178%3B-%EF%BC%886x%26%23178%3By-3xy%26%23178%3B%EF%BC%89+%EF%BC%886a%26%23178%3B-8a%2B11b%E7%9A%843%E6%AC%A1%E6%96%B9%EF%BC%89-%EF%BC%8811a%26%23178%3B%2B2b%E7%9A%843%E6%AC%A1%E6%96%B9%EF%BC%89%EF%BC%884mn%26%23178%3B%2B3m%26%23178%3Bn-4m%EF%BC%89-2%EF%BC%88mn%26%23178%3B%2B2%E5%88%86%E4%B9%8B3m%26%23178%3Bn%2B1+%EF%BC%89)
2x²y+3xy²-(6x²y-3xy²) (6a²-8a+11b的3次方)-(11a²+2b的3次方)(4mn²+3m²n-4m)-2(mn²+2分之3m²n+1 )
2x²y+3xy²-(6x²y-3xy²) (6a²-8a+11b的3次方)-(11a²+2b的3次方)
(4mn²+3m²n-4m)-2(mn²+2分之3m²n+1 )
2x²y+3xy²-(6x²y-3xy²) (6a²-8a+11b的3次方)-(11a²+2b的3次方)(4mn²+3m²n-4m)-2(mn²+2分之3m²n+1 )
2x²y+3xy²-(6x²y-3xy²)
=2x²y+3xy²-6x²y+3xy²
=6xy²-4x²y
(6a²-8a+11b的3次方)-(11a²+2b的3次方)
=6a²-8a+11b³-11a²-2b³
=-5a²-8a+9b³
(4mn²+3m²n-4m)-2(mn²+2分之3m²n+1 )
=4mn²+3m²n-4m-2mn²-3m²n-2
=2mn²-4m-2
=4mn²-2mn²+3m²n-2*3m²n\2-4m-2
=2mn²+0-4m-2
=2mn²-4m-2