分式计算 (10 18:27:49)1.20a^2b分之5ab= 2.x-2分之x^2 - 4x+4=3.x+y分之x+y +
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![分式计算 (10 18:27:49)1.20a^2b分之5ab= 2.x-2分之x^2 - 4x+4=3.x+y分之x+y +](/uploads/image/z/5629348-28-8.jpg?t=%E5%88%86%E5%BC%8F%E8%AE%A1%E7%AE%97+%2810+18%3A27%3A49%291.20a%5E2b%E5%88%86%E4%B9%8B5ab%3D%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B2.x-2%E5%88%86%E4%B9%8Bx%5E2%26%23160%3B-+4x%2B4%3D3.x%2By%E5%88%86%E4%B9%8Bx%2By+%2B)
分式计算 (10 18:27:49)1.20a^2b分之5ab= 2.x-2分之x^2 - 4x+4=3.x+y分之x+y +
分式计算 (10 18:27:49)
1.20a^2b分之5ab=
2.x-2分之x^2 - 4x+4=
3.x+y分之x+y + x分之y=
4.x-2分之x-1 + 2-x分之1=
5.ab^2分之(ab)^2=
分式计算 (10 18:27:49)1.20a^2b分之5ab= 2.x-2分之x^2 - 4x+4=3.x+y分之x+y +
1.4a分之1