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(2013•泉州)方程组的解是________.
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(2013•泉州)方程组
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADgAAAAoCAYAAACrUDmFAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAJgSURBVGhD5Zm7cYQwEIbpwmU4uFydkFwHlHEJ
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FoCng5spEFYMXpCmGxd68wDfcP/+glvb5wtz7ACZJzqeCHDjjxlshI5QmMUf2O+svz+3A1ikepmA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)
的解是________.
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(2013•泉州)方程组
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《泉州市建设“美丽乡村”五年行动计划(2012年~2016年)》提出:从2013年起,泉州花5年时间把泉州农村建设成为“村庄秀美、环境优美、生活甜美、社会和美”的宜居、宜业、宜游“美丽乡村”.某村从2名女村民和2名男村民中随机抽取环境卫生督查员若干名.
(1)若随机抽取1名,求恰好是女村民的概率;
(2)若随机抽取2名,请你用画树状图或列表的方法表示所有等可能的结果,并求恰好是1名女村民和1名男村民的概率.
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(2013•泉州)4的相反数是( )
A.4
B.-4
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACKSURBVDhP3ZPdDcAgCISZjJ1Yh2UYhVEoahv7
I9IH04eaGF8ud/odgiULFgqUDQGN9erZIoQMAHxHgqYy+rmgQioc2ibpsFZ2EdSaRxwXG53FNHdY
OFHVSo1xAkoZJyQdN7FEDm5N7AFBhNAxrCOBT3RvbyAQ6jWfaeL+QW4kk2emHF4Ins180OYGTajm
K+eV5lcAAAAASUVORK5CYII=
)
D.