addition
-8+(-5)
-13
-3-(-5)
2
(-4)(-5)
20
-14/14
-1
-3-15+18
0
-4+9
5
15-21
-6
(-3)(12)
-36
0/1
(-25)(-2)/5
12+(-50)
-38
-33-30
-63
(-3)(-2)(-2)
-12
-110/-10
11
(-70/-10)*(-7)
-49
-15+(-15)+30
7-(-10)-12
5
(-2)(-3)(4)
24
140/(-2)
-70
-12+6-4
-10
-1/3+(-1/3)+2/3
0
-1/2-(-1/2)-2
-2
-1/2
3/5 รท 1/2
6/5
-8(-2)-20
-4