Предмет: Математика, автор: Anastasiya001111

помогите решить задачу не пойму как решение сделать задание 5 задача 2

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Автор ответа: 1401061

0

например она проверила 90 тетрадей и мы дожны1)49+38=87,2)90-87=3(тетр)-по познанию мира

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