hmlsl
幼苗
共回答了18个问题采纳率:94.4% 举报
1.2xyz(2x-6y+9z)
2.8a(b-a)
3.2x(x^2+4)(x+2)(x-2)
4.(a-1.5b)(a-0.3b)
5.(1/12)mn(2n+m)(2n-m)
6.3x(x-2)(x-2)
7.-(xy-6z)^2
8.2a(a+b)(a-b)
9.8abc(a+b-c)[3bc-4a-4b+4c+c^2]
10.(2y-3x)^2
11.(a-1)(a-1)(a+1)(a-3)
12.-3xy^2(x-1)(x-2)
13.(ab-c)^2
14.(y-7)(y+2)
15.(x+3)(x-3)(x^2+4)
16.(2x-5)(3y-2)
17.(1+y-x)(1+x-y)
18.(a-4b-2)(a-4b)
19.(a-2b)(a+2b-1)
20.(-1/3)(x+6y)(x-6y)
22.(x^2+y^2)(a^2+b^2+c^2)
23.(a-b-c)(a-3b+c)
24.(a-2b+3c)^2
25.如果式子没错的话:(x^2+y^2)+(81+y^2)(9+y)(9-y);如果题中的9是y,那么结果就是:(x^2+y^2)^2
26.(xy-1+x+y)(xy-1-x-y)
27.(x-1)(x^2+x-7)
28.(x-1)(x+1)(x-1)(2x-3)
32.(x+1)(x-2)^2
33.(4m-5n)(2m-3n)
35.(x+1)(x+2)(3x-2)
题太多了,由于时间有限,只能将这些简单的做了.
1年前
6