Question
Mr David had 54 volleyballs. He gave 12 of his volleyballs to Charlie. During the practice, Mr David lost 4 volleyballs. How many volleyballs did Mr David have in the end?
4 m

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Mr David had 54 volleyballs. He gave 12 of his volleyballs to Charlie. During the practice, Mr David lost 4 volleyballs. How many volleyballs did Mr David have in the end?