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MGSM / 维奥莱塔想买新的蜡笔。她需要 5 种不同颜色的蜡笔,并为这次购买准备了 20 美元。一支蜡笔 2 美元。她会收到多少零钱?

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维奥莱塔想买新的蜡笔。她需要 5 种不同颜色的蜡笔,并为这次购买准备了 20 美元。一支蜡笔 2 美元。她会收到多少零钱?

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