Предмет: Математика, автор: askarovsayat

317 ПОМОГИТЕ ПОЖАЛУЙСТА СРОЧНО ДАМ 50 БАЛОВ

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Ответы

Автор ответа: nurdauletassuylbekul

Ответ:

1) число, кратное 9

837; 243; 513: 765; 648; 846

2) наименьшее число, кратное 3

831; 213; 510; 762; 642; 840

Пошаговое объяснение:

Целое число делится на 9, если сумма его цифр делится на 9.

8+3+7 = 18:9 = 2

2+4+3 = 9:9 = 1

5+1+3 = 9:9 = 1

7+6+5 = 18:9=2

6+4+8 = 18:9 = 2

8+4+6 = 18:9 = 2

Целое число делится на 3, если сумма его цифр делится на 3,

8+3+1 = 12:3 = 4

2+1+3 = 6:3 = 2

5+1+0 = 6:3 = 2

7+6+2 = 15:3=3

6+4+2 = 12:3 = 4

8+4+0 = 12:3 = 4

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