Вопрос школьника по предмету Математика
Вычисли значения следущих выражений используя правило вычитания суммы из суммы (50+5)-(30+3) (70+8)-(20+7) (500+30)-(200+10) (700+6)-(30+5)
Ответ учителя по предмету Математика
55-33-22,78-27-51,530-210-320,706-35-671
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