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xt5510002010-01-28 14:01:02 +0000 #1
Miaomiao school 100 meters along the runway to go three times, has completed the first step with the 149, the second with the 51-step has completed the third with the 150-step has completed. Miao Miao, the average step length is about how much rice? (Shall retain two decimal places)
RGM5202010-01-28 14:13:39 +0000 #2
100 / ((149 +51 +150) / 3) = 0.86

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