[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.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..
[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

[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.. 急!初一数学题!救命呐!初一数学书本下册108页1到7题!太急了!在线等! 数学大神,救命啊写不完了,急死我了,在线等给好评啊!~(>_ 数学大神,救命啊写不完了,急死我了,在线等给好评啊!~(>_ 高等数学 求助 救命啊,在线等! 数学第三题,在线等 背影课后题第四题在线等,写具体点,三百字以上,救命啊 数学,3题!定好评,在线等! 数学,两题!定好评!在线等! 初一数学附加题.求解.在线等 数学几何题 如图 在线等 21题.高二数学.在线等. 初二数学,在线等.9-10题 大学数学矩阵题,在线等 数学竞赛题!在线等 初一数学,一道题,救命 救命!请问英文“开始做广播体操” 该怎么说（在线等）请问英文“开始做广播体操” 该怎么说（在线等）请问“开始做广播体操” 该怎么说 最通俗的翻译 就最普遍最常用的一种随口说出 数学大神进,微积分数学小题.在线等.