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Author:
Journal / Book Title:
Year:
Volume:
Issue:
bu deng shi ( zu ) jie ji de ni yong
Author(s):
JIANG Fu
Pages:
17
-
18
Year:
2006
Issue:
1
Journal:
School Journal of Mathematics
Keyword:
不等式组
;
取值范围
;
一元一次不等式
;
建立方程
;
解集
;
数轴
;
非负整数解
;
比较法
;
已知条件
;
逆向思考
;
Abstract:
<正>同学们在学会了求一元一次不等式(组)的解集之后,还需要学会逆用其解集来解决有关问题,下面举例说明.一、比较法例1 若关于x的不等式3x-(2k-3)<4x+3k+6的解集为x>1,试确定k的值.
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