[数学+英文题]代数式..在线等..救命..明天要交了..1.write down two algebraic language of 3-a(2+b).2.write down two of algebraic expression which has 3 terms and the sum of the cofficients of all the terms is equal 0...麻烦写列式..

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[数学+英文题]代数式..在线等..救命..明天要交了..1.writedowntwoalgebraiclanguageof3-a(2+b).2.writedowntwoofalgebraicexpr

[数学+英文题]代数式..在线等..救命..明天要交了..1.write down two algebraic language of 3-a(2+b).2.write down two of algebraic expression which has 3 terms and the sum of the cofficients of all the terms is equal 0...麻烦写列式..
[数学+英文题]代数式..在线等..救命..明天要交了..
1.write down two algebraic language of 3-a(2+b).
2.write down two of algebraic expression which has 3 terms
and the sum of the cofficients of all the terms is equal 0...
麻烦写列式..eg:3-a(2+b)

[数学+英文题]代数式..在线等..救命..明天要交了..1.write down two algebraic language of 3-a(2+b).2.write down two of algebraic expression which has 3 terms and the sum of the cofficients of all the terms is equal 0...麻烦写列式..
3-2a-2b or -2a+(3-ab)
2x+4y-6z

-2a-ab+3 or (3-2a)-ab
a-b-c=0 or a+b+c=0

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