If the sum of a set of ten different positive prime numbers is an even number, which of the following prime numbers CANNOT be in the set ？（）
A: 2
B: 3
C: 5
D: 7
E: 11
A: 2
B: 3
C: 5
D: 7
E: 11
举一反三
- Among the four sets of natural numbers, integers, rational numbers and real numbers, which one includes the others? A: The set of natural numbers B: The set of integers C: The set of rational numbers D: The set of real numbers
- The pages of a report are numbered consecutively from 1 to 10. If the sum of the page numbers up to and including page number z of the report is equal to one more than the sum of the page numbers following page number x, then x=（）. A: 4 B: 5 C: 6 D: 7 E: 8
- Among the following numbers, which one is seen as a yang number in the classic I-Ching? A: 2 B: 4 C: 5 D: 6
- Among the following numbers, which one is seen as a yang number in the classic I-Ching? A: 2 B: 4 C: 5 D: 6
- Which of the following is equivalent? A: The division relation on the set of integers B: On the set of rational numbers, the relation of multiplication equal to 1 C: rank relationship D: Logical equivalence of propositional formula