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множення та ділення

5 клас

QuestionAnswer
Скільки коштують 25 зошитів, якщо кожний зошит коштує 1 грн 15 коп.? 1грн 15 коп = 115 коп 115*25=2875 (коп)- ціна 25 зошитів.
Щоб знайти невідоме ділене, треба частку помножити на дільник. х : 12 = 3 х = 12 * 3 х = 36.
Розподільна властивість множення відносно додавання: (а+b)c = ac+bc
Created by: svmajaka
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