5 12 = 17
+
323 89 = 234
-
14 8 3 = 66
+ X
121 10 8 = 888
minus X
9 3 5 = 30
minus X
12 5 15 = 45
X -
68 32 4 = 25
+ :
9 7 14 = 77
x +
972 18 6 = 948
minus minus
1462 1817 32 = 3311
+ +
7684 6123 4 =1565
minus +
69 12 144 = 225
+ +
273 129 12 = 132
minus minus
10119 9950 13 = 13
minus :
2216 1006 2 = 605
minus :
26 3 5 = 145
+ x
2142 7 9 = 34
: :
412 15 7 = 61
+ :
133 19 43 = 50
: +
5500 20 3105 = 3380
: +