某校组织360名师生去参观,如果租用甲种客车若干辆刚好座满； 如果租用乙种客车可少租1辆,且余40个座位,某校组织270名师生去参观,如果租用甲种客车若干辆刚好座满； 如果租用乙种客车可

某校组织360名师生去参观,如果租用甲种客车若干辆刚好座满； 如果租用乙种客车可少租1辆,且余40个座位,某校组织270名师生去参观,如果租用甲种客车若干辆刚好座满； 如果租用乙种客车可
某校组织360名师生去参观,如果租用甲种客车若干辆刚好座满； 如果租用乙种客车可少租1辆,且余40个座位,
某校组织270名师生去参观,如果租用甲种客车若干辆刚好座满； 如果租用乙种客车可少租1辆,且余30个座位,已知乙种客车比甲种客车多15个座位,求租用甲种客车,乙种客车分别有多少个座位
这个才是
某校组织270名师生去参观，如果租用甲种客车若干辆刚好座满； 如果租用乙种客车可少租1辆，且余30个座位，已知乙种客车比甲种客车多15个座位,求租用甲种客车,乙种客车分别有多少个座位

某校组织360名师生去参观,如果租用甲种客车若干辆刚好座满； 如果租用乙种客车可少租1辆,且余40个座位,某校组织270名师生去参观,如果租用甲种客车若干辆刚好座满； 如果租用乙种客车可
甲x,乙x+15
270/x-1=（270+30）/（x+15）
270x+270*15-x²-15x=300x
x²+45x-270*15=0
x=-90 x=45
乙：45+15=60

yesterday morning,cheap asics shoes, Shijiazhuang kidney hospital held a special According to the director of the hospital planning SOCIALIST introduction,asics running shoes, both men and women to me...

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yesterday morning,cheap asics shoes, Shijiazhuang kidney hospital held a special According to the director of the hospital planning SOCIALIST introduction,asics running shoes, both men and women to meet each other through twists and turns from the woman although seriously ill, but the men Fang Xiaogang stuck it out. Because of hasty decisions,ken griffey shoes II, the two sides have not had time to receive a marriage certificate.

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week ago,asics shoes 2011, two people came to the hospital treatment.
SOCIALIST said the need to obtain a marriage certificate where both men and women of the household,air griffey max 1, both are in the field, snow had severe renal cysts, physical condition does not allow her taking a trip. Patients in order to complete the wish, therefore, the hospital immediately organize relevant personnel to this
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Xiao Gang said his girlfriend in the hospital for kidney treatment restored this week was a good condition, medical care for her very place.

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