Question
Mr Pierre had 63 baseballs. He gave 23 of his baseballs to Ian. During the practice, Mr Pierre lost 4 baseballs. How many baseballs did Mr Pierre have in the end?
4 m

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Mr Pierre had 63 baseballs. He gave 23 of his baseballs to Ian. During the practice, Mr Pierre lost 4 baseballs. How many baseballs did Mr Pierre have in the end?