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Two math problems! ! ! ! Urgent! ! ! ! Be sure to answer again! ! ! ! Speed, speed. ! !
1, Xiaohong played in the scenic spot for 40 minutes.

Arrive at the scenic spot at 2.9.

3,6 ÷ 40/60 = 9 km

1\ The median is 38.5 and the average is 375.5.

2. The median can better represent the general level of this group.