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
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
D
举一反三
- 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
- 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 purpose of extending the set of natural numbers to the set of integers is to make it closed under ______ operation
- Which of the following is false? A: If a set of real numbers is bounded above, then it must have a least upper bound [img=53x20]1802dde7ae54586.png[/img]. B: If a set of real numbers has a least upper bound [img=53x20]1802dde7ae54586.png[/img], then it must be bounded above. C: If a set of rational numbers is bounded above, then it must have a least upper bound [img=54x22]1802dde7bf41b49.png[/img]. D: If a set of rational numbers has a least upper bound [img=54x22]1802dde7bf41b49.png[/img], then it must be bounded above.
- The X-axis represents the scale, which is a set of numbers that represents the data and is organized into equal intervals.
内容
- 0
“SET RELATION”命令是一种()命令.
- 1
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
- 2
Which of the following is not a binary operation on n? A: subtraction B: division C: addition D: multiplication
- 3
Among the following alphabets, which represents the set of rational numbers? A: [img=17x19]1803e23ef7a8014.png[/img] B: [img=16x19]1803e23f0073511.png[/img] C: [img=16x23]1803e23f09992a8.png[/img] D: [img=13x19]1803e23f147ace0.png[/img]
- 4
Which of the following is a tragedy that mainly deals with family relation?