Numbers include cardinal numbers and ordinal numbers.
举一反三
- All odd numbers are integers (整数). All even numbers are integers. Therefore, all odd numbers are even numbers.
- The couple ________________ the same numbers each time and_______________ all of the numbers.
- Why big and exact numbers are not common in broadcasting news? A: Most listeners only receive information passively. B: Big and exact numbers are difficult to remember. C: Listeners are not interested in big and exact numbers. D: Big and exact numbers can be remembered easily.
- 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 couple played the same numbers last week, and once more they got all five numbers.