Average the rest, that is, (7+9+9+5+3+9)/10 = 42/10 = 4.2.

For example:

Average value: (9-3-11+20-5+6+1+3) ÷ 8+96.

Calculation:

1.5

2. 10

3.- 1 1

16 The number less than -5 is-21; A number greater than -8 times 4 is -4.

The sum of two numbers is-18.9, one of which is -9.5 and the other is -9.4.

Extended data:

Addition (usually indicated by the plus sign "+") is one of the four basic arithmetic operations; Others are subtraction, multiplication and division. For example, three apples and two apples make five apples. This observation is equivalent to the mathematical expression "3+2 = 5", that is. "3+2=5"。

Addition has several important properties. It is interchangeable, that is, the order is irrelevant, and it is related, that is, when more than two numbers are added, the order of addition is irrelevant.

The repeat increment is the same as the count; Adding 0 won't change anything. Addition also follows related operations, such as subtraction and multiplication.

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