14. 解不等式.并把它的解集在数轴上表示出来. [解析] 去括号.得. 1分 移项.得.············································································ 2分 合并.得.························································································· 3分 系数化为1.得.················································································· 4分 不等式的解集在数轴上表示如下: ······················································································································· 5分 [点评] 解不等式也是北京市中考题中计算题部分的常考题型. 本题易错点是:在数轴上表示最后的解集时.要注意数轴上这个点是实心点还是空心点 本题考点:解不等式.在数轴上表示不等式的解集. 难度系数:0.75 查看更多

 

题目列表(包括答案和解析)

(本小题满分5分)解不等式,并把它的解集在数轴上表示出来.

 

查看答案和解析>>

(本小题满分5分)解不等式,并把它的解集在数轴上表示出来.

 

查看答案和解析>>

运算求解(本小题满分10分)
(1)解不等式,并把它的解集在数轴上表示出来.           
(2)解方程: 

查看答案和解析>>

运算求解(本小题满分10分)

(1)解不等式,并把它的解集在数轴上表示出来.           

(2)解方程: 

 

查看答案和解析>>

运算求解(本小题满分10分)
(1)解不等式,并把它的解集在数轴上表示出来.           
(2)解方程: 

查看答案和解析>>


同步练习册答案