下列代数式中,哪些是整式?哪些是单项式?哪些是多项式? x 2 , 2 x , 1

2024-11-26 22:28:07
推荐回答(1个)
回答1:

整式有:
x
2
,2x+y,-2xy 2
2
ab,π,-2x+y 2
2a+b
3

单洞碰项式有::
x
2
,-2xy 2
2
ab,π;穗返
多项式有:2x+y,-2x+y 2
2a+b
3

故答案为:猜颤饥
x
2
,2x+y,-2xy 2
2
ab,π,-2x+y 2
2a+b
3
;2x+y,-2x+y 2
2a+b
3