Вопрос школьника по предмету Математика
630+50=600+(30+50) Обьясни способы выполнения сложения и вычитания
Ответ учителя по предмету Математика
Это распределительное свойство.630+50=680 то же самое 600+(30+50)=680.Просто выбираешь удобный способ сложения
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