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What is the mathematical ratio of giraffe to zebra in the second volume of the sixth grade?
(1) Is the running distance of zebra directly proportional to the running events? What about giraffes?

Answer: In direct proportion, because running distance ÷ running time = speed (certain).

(2) How many meters did zebra and giraffe run in 18?

Answer: Zebra 18 minutes running 2 160m, giraffe 18 minutes running 1440m.

(3) From the image, do zebras run faster or giraffes run faster?

Giraffes run very fast.

-An Zixi

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