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数学
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一伙女生住若干间宿舍,每间住4人,剩下19人无房住,每间住6人,有一间宿舍住不满
(1)如果有X间宿舍,那么可以列出关于X的不等式组:------------------
(2)可能有多少间宿舍,多少名学生?你能得到几个解,它符合题意吗?
人气:299 ℃ 时间:2020-01-04 00:29:35
解答
(1)如果有X间宿舍,那么可以列出关于X的不等式组
6(x-1)4x+19
(2)可能有多少间宿舍,多少名学生?
解得:x19/2,即9.5
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