sumas
19+43
62
6
5x7
35
9/3
3
9+20-7
22
73+42
115
54-11
43
9x6
54
27/3
9
45x2-70
2
159+61
220
119-43
76
9x5x2
90
120/6
6+27x3
99
585+35+10
630
540-113
427
7x4x4
112
1000/10
100
55x2/5
22
1050+80+170
1300
758-418
340
13x12
156
550/5
110
82+90/4
43