UC知道数学题..[英文+数学]代数式
来源：百度知道 编辑：UC知道 时间：2024/05/29 12:51:23
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.
2.write down two of algebraic expression which has 3 terms
and the sum of the cofficients of all the terms is equal 0.
1 用代数语言写出表达式3-a(2+b)的意思
答 3减去2加b的和的a倍
2 写出一个代数表达式,使得3项未知数的系数和为0
如 a-2b+c
1.3与a倍的2+b的差；3减去2加b的和的a倍
2.不懂