中国大学MOOC: Which of the following is NOT a binary operation?
举一反三
- Which of the following is not a binary operation on n? A: subtraction B: division C: addition D: multiplication
- 中国大学MOOC: Which facilities are involved in the operation of a typical airport?
- Which of the following is not ongoing operation?
- 中国大学MOOC: Which of the following is OPINION?
- 中国大学MOOC: Which of the following is a FACT ?