Ответ:
1) 30 = 2 * 3 * 5.
45 = 3 * 3 * 5.
2) 27 = 3 * 3 * 3.
54 = 2 * 3 * 3 * 3.
3) 42 = 2 * 3 * 7.
56 = 2 * 2 * 2 * 7.
4) 80 = 2 * 2 * 2 * 2 * 5.
32 = 2 * 2 * 2 * 2 * 2.
1. 15 (30:15=2; 45:15=3)
2. 27 (27:27=1; 56:27=2)
3. 14 (42:14=3; 56:14=4)
4. 16 (80:16=5; 32:16=12)
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Ответ:
1) 30 = 2 * 3 * 5.
45 = 3 * 3 * 5.
2) 27 = 3 * 3 * 3.
54 = 2 * 3 * 3 * 3.
3) 42 = 2 * 3 * 7.
56 = 2 * 2 * 2 * 7.
4) 80 = 2 * 2 * 2 * 2 * 5.
32 = 2 * 2 * 2 * 2 * 2.
Ответ:
1. 15 (30:15=2; 45:15=3)
2. 27 (27:27=1; 56:27=2)
3. 14 (42:14=3; 56:14=4)
4. 16 (80:16=5; 32:16=12)