皮皮学，免费搜题
登录
搜题
【简答题】
已知点A （a ，-4 ），B （3 ，b），根据下列条件求a 、b 的值。 （1）A、B关于x 轴对称； （2）A、B关于y 轴对称； （3）A、B关于原点对称。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】thoseaged 13-19
【单选题】A man aged 55 marrying a girl aged 15 is newsworthy because ?
A.
it is new.
B.
it is unusual.
C.
it is significant.
D.
it is about people.
【单选题】This new model of car is so expensive that it is ______ the reach of those with average incomes.
A.
over
B.
within
C.
beyond
D.
below
【单选题】This new model of car is so expensive that it is _____ the reach of those with average income. [ ]
A.
over
B.
within
C.
beyond
D.
below
【简答题】1 Stuart is a self-employed business consultant aged 58. He is married to Rebecca, aged 55. They have one child, Sam, who is aged 24 and single. In November 2005 Stuart sold a house in Plymouth for ￡4...
相关题目：