整式的加减运算实质（整式的加减运算）

关于整式的加减运算实质，整式的加减运算这个很多人还不知道，今天就让小编小花来为大家解答以上的问题，现在让我们一起来看看吧！

1、3. =ab4. =2x+4y5. =-a^3bc^2-15ab^2c6. =x^2+2x7. =3-3y11. =3x^2-xy+y^212. =2a-2b-313. =014. =x-y16. =x17. =418. =3x^2-5xy+y^219. =-x^3-y^321. =3x^3-2x^2-4x-122. =-x^3-2x^2+6x-723. =0.0325. =m^4-4m^3-2m^2-2m+426. =-x^2-y^2+2xy27. =28. =2y^4+2y^3-2y^2-y+1329. =3-x30. =(-b^2+c) ; (b^2-c) ; (-2a+b^2+d^3)31. =4a-4b32. =4x33. =（6）；（- 4）；（8）34. =5x35. =136. =2x37. =-538. =6a^2n-4an39. =5x^2y+3xy^2+5xy-x^240. =-2xm41. =043. =1744. =z-5y45. =-2an46. =a+10b48. =17a^2-5a50. =10。

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