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Mathematics, 24.07.2021 21:40 perezsharisse24

a teacher had 23 pupils to her class. all but 7 of them went on an excursion trip and thus were away for the day. how many students remains in the class that day.

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a teacher had 23 pupils to her class. all but 7 of them went on an excursion trip and thus were away...
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