Aturtlecoversadistanceof90metersin3hours.What’stheaveragespeedoftheantindecimetersperminute?
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题目内容:
A turtle covers a distance of 90 meters in 3 hours.What’s the average speed of the ant in decimeters per minute?
优质解答
这不是数学吗, 乌龟速度30m/60min
即 0.5m /min
即 5dm/min
答案就是5
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