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(1) The sum of the two of us is 8 (2). The product of the two of us is 15 prime All are prime numbers
The two numbers are: 3 and 5
3+5=8
3x5=15
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In 1.15 * 8 = 120, 15 is the () number of 120 and 120 is the () number of 15. 2. The product of two prime numbers is 65, which are () and ()
3. A number is not only a factor of 24, but also a multiple of 3. This number may be ()
The answers to the above three questions are all required, and the scores are under discussion
Divisor, multiple
13 and 5
six
Prime number: the sum of two numbers is a composite number of 8: the product of our two numbers is 15. What are the two numbers
It's two indices, not a combination
Ask me if you don't understand 3 or 5
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