Задача Задача №51122
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To determine which numbers in the list are divisible by 9, you can use the divisibility rule for 9: if the sum of the digits of a number is divisible by 9, then the number itself is also divisible by 9. Let's apply this rule to each number in the list:
- 175: 1 + 7 + 5 = 13 (13 is not divisible by 9, so 175 is not divisible by 9).
- 825: 8 + 2 + 5 = 15 (15 is not divisible by 9, so 825 is not divisible by 9).
- 324: 3 + 2 + 4 = 9 (9 is divisible by 9, so 324 is divisible by 9).
- 960: 9 + 6 + 0 = 15 (15 is not divisible by 9, so 960 is not divisible by 9).
- 320: 3 + 2 + 0 = 5 (5 is not divisible by 9, so 320 is not divisible by 9).
- 2376: 2 + 3 + 7 + 6 = 18 (18 is divisible by 9, so 2376 is divisible by 9).
- 3969: 3 + 9 + 6 + 9 = 27 (27 is divisible by 9, so 3969 is divisible by 9).
- 1902: 1 + 9 + 0 + 2 = 12 (12 is not divisible by 9, so 1902 is not divisible by 9).
- 3111: 3 + 1 + 1 + 1 = 6 (6 is not divisible by 9, so 3111 is not divisible by 9).
- 824: 8 + 2 + 4 = 14 (14 is not divisible by 9, so 824 is not divisible by 9).
- 2984: 2 + 9 + 8 + 4 = 23 (23 is not divisible by 9, so 2984 is not divisible by 9).
- 607: 6 + 0 + 7 = 13 (13 is not divisible by 9, so 607 is not divisible by 9).
- 14168: 1 + 4 + 1 + 6 + 8 = 20 (20 is not divisible by 9, so 14168 is not divisible by 9).
The numbers from the list that are divisible by 9 are:
- 324
- 2376
- 3969
These are the numbers we can select as being divisible by 9.
