The smaller the spread of scores around the arithmetic mean,

Which of the following is not an arithmetic operator? ( ) A: - B: + C: . D: %

The greater the absolute number of weights, the greater the effect on the arithmetic mean. ( )

The two components of the central processing unit () are the arithmetic/logic unit and the control unit.()

_____ a mistake in a computer's arithmetic is impossible. A: For there be B: There to be C: For there being D: There being

In polynomial coding, arithmetic operations of polynomials have carry in addition and borrow in subtraction.

The outstanding feature of "Political Arithmetic" in writing is ( ) A: Compared with Britain, Holland and France in many aspects B: Use numbers, measurements, and dimensions to illustrate the problem C: Serving the British colonial strategy D: It is the representative work of political arithmetic school

What arithmetic operators cannot be used with strings? ( ) A: + B: – C: * D: All of the mentioned

The average (arithmetic mean) of five number is 26. After one of the numbers is removed, the average (arithmetic mean) of the remaining numbers is 25. What number has been removed ？（） A: 20 B: 25 C: 26 D: 30 E: 32

The average (arithmetic mean) of five number is 26. After one of the numbers is removed, the average (arithmetic mean) of the remaining numbers is 25. What number has been removed A: 20 B: 25 C: 26 D: 30 E: (E) 32