(1)(a-b)(a+b)(a^2+b^2)-(a^2-b^2)^2 (2)(a+b)(a^2-ab+b^2) (3)(x^3+X^2x+1)(x-1)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 18:45:43
![(1)(a-b)(a+b)(a^2+b^2)-(a^2-b^2)^2 (2)(a+b)(a^2-ab+b^2) (3)(x^3+X^2x+1)(x-1)](/uploads/image/z/13325480-8-0.jpg?t=%281%29%28a-b%29%28a%2Bb%29%28a%5E2%2Bb%5E2%29-%28a%5E2-b%5E2%29%5E2+%282%29%28a%2Bb%29%28a%5E2-ab%2Bb%5E2%29+%283%29%28x%5E3%2BX%5E2x%2B1%29%28x-1%29)
(1)(a-b)(a+b)(a^2+b^2)-(a^2-b^2)^2 (2)(a+b)(a^2-ab+b^2) (3)(x^3+X^2x+1)(x-1)
(1)(a-b)(a+b)(a^2+b^2)-(a^2-b^2)^2 (2)(a+b)(a^2-ab+b^2) (3)(x^3+X^2x+1)(x-1)
(1)(a-b)(a+b)(a^2+b^2)-(a^2-b^2)^2 (2)(a+b)(a^2-ab+b^2) (3)(x^3+X^2x+1)(x-1)
第三小题是不是没出清楚啊!