这道数学题怎么做啊If the sum of three different positive integers a,
这道数学题怎么做啊 If the sum of three different positive integers a, b, and c is 11, which TWO of following are sufficient to determine the value of a, b, and c? ☐ None of a, b, and c is 1. ☐ None of a, b, and c is 4. ☐ None of a, b, and c is 7. ☐ None of a, b, and c is 8.