Предмет: Математика, автор: dianagabdulina142

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Автор ответа: imankojaaa

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а 7×3=7+7+7=21. 21÷3=7. 21÷7=3

б. 9×2=9+9=18. 18÷2=9. 18÷9=2

imankojaaa: поставишь лучший ответ пожалуйста

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