Предмет: Математика, автор: толя93

помогите пожалуйста задачи

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Автор ответа: MadridistUssur

гирлянд -7
шариков - ?, на 49 больше
1) 49 + 7 = 56
2) 56 : 7 = 8 во столько раз гирлянд развесили меньше, чем шариков

321*3=963
72 : 9 = 8
963 + 64798 = 65761
65671 - 8 = 65753
321*3 + 64798 - 72:9 = 65673

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