Two men,starting at the same point,walk in opposite directions (相反方向) for 4 metres,turn left and walk another 3 metres.What is the distance (距离) between them?
A.2 metres.B.6 metres.
C.10 metres.D.12.5 metres
人气：198 ℃ 时间：2020-04-01 23:25:28
解答
C
两人相背而行4米,又各左拐3米,构成两个三角形,斜边之和为10米
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