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- Math problems in the third grade of primary school
Math problems in the third grade of primary school
Solution: Analysis: After walking 3/ 1 1 km, it is 2/1/km less than that without walking. Then it is (3/11+2/1/) km. The total distance is the sum of people who have walked and those who have not.
Formula: 3/11+(3/11+2/1) = 8/1(km).
Answer: 8/ 1 1 km.
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