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甲、乙两人同时从同一地点向相同的方向出发,甲步行每小时行8千米,乙骑自行车,速度是甲的3倍,5小时后两人相距多少千米?



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סͬʱ A ȥ B, B...׳ٶ ǧ/Сʱ. 3.סֱ ...(2013-2-2-9) 9.һг B ǰ ...
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Ҷֱ A ͬʱ, B ÿСʱ 5 ǧ, ÿСʱ ...ײ,ÿСʱ 5 ǧ, 0.8 Сʱг, 2 Сʱ,...
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ͬ, 26 Ӹ;...ؿ׵,ͬʱ,8 Сʱ...,ײÿСʱ 5 ǧ, гٶ...
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6ֱӶ塢ͬʱ򶫶,гÿСʱ14ǧ,Ҳÿ...7ÿСʱ4ǧ׵ٶȲȥij,ȼ4Сʱгͬһصȥ...
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,Һ 21 ,ͬʱͬܲ,ʼ׾...,ײÿСʱ 5 ǧ, 0.8 Сʱ,...,ij,гÿСʱ ǧ? ...
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2:סֱ 20 ǧͬʱ,ÿСʱ 6 ...һͬѧгÿСʱ 14 ǧ׵ٶ ֮䲻ͣ硣׶ÿ...
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ס 16 ǧ׵ AB ͬʱ,...ײÿСʱ 4 ǧ,ﳵں, ÿСʱٶ... 2 ʿСѧһܵ 400 ...
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нʱ 4 ǧ/Сʱ,ﳵʱΪ...ͬһصͬʱˮض ,ÿ...10г糿涨ʱ׵صҵ,...
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֪ͳٶ 8:7....28סҺͱͬʱɶ,...,ײÿСʱ 5 ǧ, гÿСʱ 15...
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ͬʱͬʱͬһص,౳,...1סֱͬʱ,8Сʱ...׷ 1ѧУ,Ҫ6Сʱ,г...
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