Addition
12 + 50
62
85 - 21
64
16 * 19
304
100 / 25
4
12 + b = 15
b = 3
-1 + -15
-16
-20 - 15
-35
-2 * -41
82
-25 / -5
5
r - 53 = 20
r = 73
27 + -35
-8
-29 - (-30)
1
-16 * 0.5
-8
-54 / 9
6
-8.5 + b = 1
b = 9.5
-67 + 53
-14
44 - (-16)
60
-24 * -0.25
6
102 / -2
-51
4c = -12
c = -3
-12 + 27 + (-13)
2
-17 - 23 - (-40)
0
-2 * 5 * -9
90
100 / 4 / -5
-5
27 / b = 9
b = 3