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How to write the math problem of grade three for buying clothes in the New Year?
The case is as follows:

The PE teacher bought ***2 1 sportswear tops and trousers, and spent 439 yuan, including each coat and trousers in 24 yuan 19 yuan. How many coats and trousers did the teacher buy?

Answer and analysis:

Suppose the teacher bought all the coats; Everyone should spend money on a coat: 24×2 1=504 (yuan), total amount difference (extra money): 504-439=65 (yuan), unit amount difference (extra money for each pair of trousers as a coat): 24- 19=5 (yuan).

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