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A. B Both the same time, his back turned on starting from a point along the circular track 400-meter

yiaozhu1232010-01-31 09:01:02 +0000 #1
A. B Both the same time, turning its back starting from a point 80 meters, B walk 50 meters, both with the number of minutes for at least the starting point of amassing encounter
blind from a broken, right2010-01-31 09:16:10 +0000 #2
A one-minute walk 80 meters, has completed lap 5 minutes

B one minute walk 50 meters, has completed a circle need 8 minutes

with the least common multiple would have come out, for 40 minutes.
LWTDY012010-01-31 09:35:08 +0000 #3
problem described imprecise. I can understand? A walk 80 meters per minute, walk 50 meters per minute, B

such understanding, problem-solving easier. A lap of 5 minutes, B with 8 minutes per lap, find the least common multiple can be 5 and 8. Answer: 40 minutes.



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