甲乙两地相距460千米．A、B两车分别从甲、乙两地开出,A车每小时行驶60千米,B车每小时行驶48千米．（l）两车同时开出,相向而行,出发后多少小时两车相遇?（2）两车相向而行,A车提前半小时

甲乙两地相距460千米．A、B两车分别从甲、乙两地开出,A车每小时行驶60千米,B车每小时行驶48千米．（l）两车同时开出,相向而行,出发后多少小时两车相遇?（2）两车相向而行,A车提前半小时
甲乙两地相距460千米．A、B两车分别从甲、乙两地开出,A车每小时行驶60千米,B车每小时行驶48千米．
（l）两车同时开出,相向而行,出发后多少小时两车相遇?
（2）两车相向而行,A车提前半小时出发；B车开出后多少小时两车相遇?相遇地点距离甲地多远?
（3）两车同向同时开出,B车在前,出发后多少小时A车追上B车?
（4）两车背向而行,同时出发,行驶多少小时两车相距960千米?
（5）两车相向而行,同时出发,相遇后两车继续前进,当A车到达乙地时,B车距甲地多远?
用方程解啊

甲乙两地相距460千米．A、B两车分别从甲、乙两地开出,A车每小时行驶60千米,B车每小时行驶48千米．（l）两车同时开出,相向而行,出发后多少小时两车相遇?（2）两车相向而行,A车提前半小时
甲乙两地相距460千米．A、B两车分别从甲、乙两地开出,A车每小时行驶60千米,B车每小时行驶48千米．
（l）两车同时开出,相向而行,出发后多少小时两车相遇?
460/（60+48）=115/27小时
（2）两车相向而行,A车提前半小时出发；B车开出后多少小时两车相遇?相遇地点距离甲地多远?
（460-60*0.5）/（60+48)=115/54小时
（3）两车同向同时开出,B车在前,出发后多少小时A车追上B车?
460/（60-48）=115/3小时
（4）两车背向而行,同时出发,行驶多少小时两车相距960千米?
（960-460）/（60+48）=125/27小时
（5）两车相向而行,同时出发,相遇后两车继续前进,当A车到达乙地时,B车距甲地多远?
460- 460/60*48460-368=92千米

甲乙两地相距460千米．A、B两车分别从甲、乙两地开出，A车每小时行驶60千米，B车每小时行驶48千米．
（l）两车同时开出，相向而行，出发后多少小时两车相遇？
460/（60+48）=115/27小时
（2）两车相向而行，A车提前半小时出发；B车开出后多少小时两车相遇？相遇地点距离甲地多远？
（460-60*0.5）/（60+48)=215/...

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甲乙两地相距460千米．A、B两车分别从甲、乙两地开出，A车每小时行驶60千米，B车每小时行驶48千米．
（l）两车同时开出，相向而行，出发后多少小时两车相遇？
460/（60+48）=115/27小时
（2）两车相向而行，A车提前半小时出发；B车开出后多少小时两车相遇？相遇地点距离甲地多远？
（460-60*0.5）/（60+48)=215/54小时
60*0.5+60*(215/54)=2420/9千米
（3）两车同向同时开出，B车在前，出发后多少小时A车追上B车？
460/（60-48）=115/3小时
（4）两车背向而行，同时出发，行驶多少小时两车相距960千米？
（960-460）/（60+48）=125/27小时
（5）两车相向而行，同时出发，相遇后两车继续前进，当A车到达乙地时，B车距甲地多远？
460- 460/60*48=460-368=92千米

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Think listing your home with a Realtor is the only way to sell? Think again! With today's glut of underpriced foreclosures on the market and house values dropping steadily, there is not only a lot of ...

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