Correct

加减

/ jiā jiǎn / 
Strokes

Definition

addition and subtraction

Example

As a Verb

add and subtract

1
Jiājiǎn
加减
kòngzhìqì
控制器

add-subtract control unit

2
Jiājiǎn
加减
jìdiànqì
继电器

add-and-subtract relay

As a Noun

addition and subtraction

3
Jiājiǎn
加减
yùnsuàn
运算

add-and-subtract calculation

4
Jiājiǎnfǎ
加减法

addition and subtraction

5
Jiājiǎn
加减
chéngchú
乘除

addition, subtraction, multiplication and division