Question
Xuan bought some beads. She gave 13 of the beads to her sister and sold 25 of the remaining beads. After that, she bought another 99 beads and had the same number of beads that she bought at first. How many beads did Xuan buy at first?
4 m

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Xuan bought some beads. She gave 13 of the beads to her sister and sold 25 of the remaining beads. After that, she bought another 99 beads and had the same number of beads that she bought at first. How many beads did Xuan buy at first?