问题:
将多项式x 3-5xy 2-7y 3+8x 2y按某一个字母的升幂排列,正确的是
A.x3-7y3-5xy2+8x2y
B.-7y3-5xy2+8x2y+x3
C.7y3-5xy2+8x2y+x3
D.x3-5xy2+8x2y-7y3
将多项式x 3-5xy 2-7y 3+8x 2y按某一个字母的升幂排列,正确的是
A.x3-7y3-5xy2+8x2y
B.-7y3-5xy2+8x2y+x3
C.7y3-5xy2+8x2y+x3
D.x3-5xy2+8x2y-7y3
A.x3-7y3-5xy2+8x2y
B.-7y3-5xy2+8x2y+x3
C.7y3-5xy2+8x2y+x3
D.x3-5xy2+8x2y-7y3
参考答案: