Which of the following is the sum of two positive integers whose product is 36?A

游客2024-01-12  19

问题 Which of the following is the sum of two positive integers whose product is 36?

选项 A、1
B、11
C、15
D、17
E、19

答案 C

解析 The correct answer is C. To solve this problem, consider the pairs of positive integers whose product is 36:1 and 36; 2 and 24; 3 and 12; 4 and 9; and 6 and 6. The only pair whose sum is an answer choice is 3 + 12, or 15.
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