Suma
73 + 17=
100
23-12=
11
4x5 =
20
10-20-30-_?_-50
40
(4x3) + 6=
18
56+15=
71
100-37
63
7x3=
21
66 - 77 - 88 - 99 - _?_
110
(14+22) X 2 =
72
98 +122=
220
306 - 186 =
120
8 x 7 =
56
12 - 24 - _?_ - 96
48
900 - 460 + 61
501
730 + 470 =
1200
1000 - 654 =
346
21 x 4
84
12 - 15 - _?_ - 21 - 24
18
(400 x 2) - 300 =
500
323 + 457 =
780
456 - 123 =
333
120 x 6 =
720
456 - 567 - 678 - _?_
789
(42 x 3) + 34 =
160