(1)4ab*(-3a平方b的平方)+(2ab)三次方(2) (-2xy)平方*(-3xy平方)三次方(3) (3m平方n)平方*(-2m平方)四次方*(-n平方)五次方(4) 4x平方*5x四次方+(-2x平方)三次方(5) 3a平
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![(1)4ab*(-3a平方b的平方)+(2ab)三次方(2) (-2xy)平方*(-3xy平方)三次方(3) (3m平方n)平方*(-2m平方)四次方*(-n平方)五次方(4) 4x平方*5x四次方+(-2x平方)三次方(5) 3a平](/uploads/image/z/1021073-41-3.jpg?t=%EF%BC%881%EF%BC%894ab%2A%EF%BC%88-3a%E5%B9%B3%E6%96%B9b%E7%9A%84%E5%B9%B3%E6%96%B9%EF%BC%89%2B%EF%BC%882ab%EF%BC%89%E4%B8%89%E6%AC%A1%E6%96%B9%EF%BC%882%EF%BC%89+%EF%BC%88-2xy%EF%BC%89%E5%B9%B3%E6%96%B9%2A%EF%BC%88-3xy%E5%B9%B3%E6%96%B9%EF%BC%89%E4%B8%89%E6%AC%A1%E6%96%B9%EF%BC%883%EF%BC%89+%EF%BC%883m%E5%B9%B3%E6%96%B9n%EF%BC%89%E5%B9%B3%E6%96%B9%2A%EF%BC%88-2m%E5%B9%B3%E6%96%B9%EF%BC%89%E5%9B%9B%E6%AC%A1%E6%96%B9%2A%EF%BC%88-n%E5%B9%B3%E6%96%B9%EF%BC%89%E4%BA%94%E6%AC%A1%E6%96%B9%EF%BC%884%EF%BC%89+4x%E5%B9%B3%E6%96%B9%2A5x%E5%9B%9B%E6%AC%A1%E6%96%B9%2B%EF%BC%88-2x%E5%B9%B3%E6%96%B9%EF%BC%89%E4%B8%89%E6%AC%A1%E6%96%B9%EF%BC%885%EF%BC%89+3a%E5%B9%B3)
(1)4ab*(-3a平方b的平方)+(2ab)三次方(2) (-2xy)平方*(-3xy平方)三次方(3) (3m平方n)平方*(-2m平方)四次方*(-n平方)五次方(4) 4x平方*5x四次方+(-2x平方)三次方(5) 3a平
(1)4ab*(-3a平方b的平方)+(2ab)三次方
(2) (-2xy)平方*(-3xy平方)三次方
(3) (3m平方n)平方*(-2m平方)四次方*(-n平方)五次方
(4) 4x平方*5x四次方+(-2x平方)三次方
(5) 3a平方b(-2/3a平方b平方)-(-a平方b平方)平方
(6) (ab平方c三次方)平方-2a平方bc三次方*(-bc)三次方-(-ab平方)平方*(-2c平方)三次方
(1)4ab*(-3a平方b的平方)+(2ab)三次方(2) (-2xy)平方*(-3xy平方)三次方(3) (3m平方n)平方*(-2m平方)四次方*(-n平方)五次方(4) 4x平方*5x四次方+(-2x平方)三次方(5) 3a平
(1)4ab*(-3a^2b^2)+(2ab)^3+(2ab)^3=-12a^3b^3+8a^3b^3=-4a^3b^3
(2)(-2xy)^2*(-3xy^2)^3=(4x^2y^2)*(-27x^3y^6)=-108x^5y^8
(3)(3m^2n)^2*(-2m^2)^4*(-n^2)^5=(9m^4n^2)*(16m^8)*(-n^10)=-144m^12n^12
(4)4x^2*5x^4+(-2x^2)^3=20x^6-8x^6=12x^6
(5)3a^2b(-2/3a^2b^2)-(-a^2b^2)^2=-2a^4b^3+a^4b^4
(6)(ab^2c^3)^2-2a^2bc^3*(-bc)^3-(-ab^2)^2*(-2c^2)^3=a^2b^4c^6+2a^2b^4c^6+8a^2b^4c^6= 11a^2b^4c^6