An Olympic math problem in the third grade of primary school. Passerby, do me a favor ~ - Training Enrollment Network

An Olympic math problem in the third grade of primary school. Passerby, do me a favor ~

Let the cow be X and the sheep be Y.

3x+8y=47

5x+ 15y=83

The solution is x= 15/ 123.

y=5/ 1

x+y= 1 1

A: A cow and a sheep eat 1 1 kg of grass a day.

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