(1)3x+4-5是代数式( )
(2)1+2-3+4是代数式.( )
(3)m是代数式,999不是代数式.( )
(4)x>y是代数式.( )
(5)1+1=2不是代数式.( )
(2)1+2-3+4是代数式.
(3)m是代数式,999不是代数式.
(4)x>y是代数式.
(5)1+1=2不是代数式.
更新时间:2017-11-30 01:29:04
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【推荐1】下列式子中是代数式________ ;是单项式________ ;是整式________ ;是多项式________ .
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