1pub fn addition(x:i32,y:i32)->i32
2{
3 x+y
4}
5pub fn substraction(x:i32,y:i32)->i32
6{
7 x-y
8}
9pub fn multiplication(x:i32,y:i32)->i32
10{
11 x*y
12}
13pub fn division(x:i32,y:i32)->i32
14{
15 x*y
16}
17pub fn reminder(x:i32,y:i32)->i32
18{
19 x%y
20}