甲、乙、丙三人在A、B两块地植树,A地要植900棵,B地要植1250棵.已知甲、乙、丙每天分别能植树24,30,32棵,甲在A地植树,丙在B地植树,乙先在A地植树,然后转到B地植树.两块地同时开始同时结束,乙
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甲、乙、丙三人在A、B两块地植树,A地要植900棵,B地要植1250棵.已知甲、乙、丙每天分别能植树24,30,32棵,甲在A地植树,丙在B地植树,乙先在A地植树,然后转到B地植树.两块地同时开始同时结束,乙
甲、乙、丙三人在A、B两块地植树,A地要植900棵,B地要植1250棵.已知甲、乙、丙每天分别能植树24,30,32
棵,甲在A地植树,丙在B地植树,乙先在A地植树,然后转到B地植树.两块地同时开始同时结束,乙应在开始后第几天从A地转到B地?
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甲、乙、丙三人在A、B两块地植树,A地要植900棵,B地要植1250棵.已知甲、乙、丙每天分别能植树24,30,32棵,甲在A地植树,丙在B地植树,乙先在A地植树,然后转到B地植树.两块地同时开始同时结束,乙
甲乙丙共要植树
900+1250=2150(棵)
合作完成时间是
2150÷(24+30+32)=25(天)
甲25天植树
24×25=600(棵)
乙帮甲植树
900-600=300(棵)
乙帮甲植树
300÷30=10(天)
乙应在开始后第几天从A地转到B地
10+1=11(天)
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11
900+1250=2150(棵)
2150÷(24+30+32)=25(天)
24×25=600(棵)
900-600=300(棵)
300÷30=10(天)
10+1=11(天)
甲乙丙共要植树
900+1250=2150(棵)
合作完成时间是
2150÷(24+30+32)=25(天)
甲25天植树
24×25=600(棵)
乙帮甲植树
900-600=300(棵)
乙帮甲植树
300÷30=10(天)
乙应在开始后第几天从A地转到B地
10+1=11(天)...
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甲乙丙共要植树
900+1250=2150(棵)
合作完成时间是
2150÷(24+30+32)=25(天)
甲25天植树
24×25=600(棵)
乙帮甲植树
900-600=300(棵)
乙帮甲植树
300÷30=10(天)
乙应在开始后第几天从A地转到B地
10+1=11(天)
收起
900+1250=2150棵
2150÷(24+30+32)×24=600棵
900-600=300棵
300÷30+1=11天