1
35×79???
2765
2665
3681
3581
2
880000: 800?
100
111
1100
211
1000
3
1539-798?
741
549
449
4
27744+18997=
42741
56741
39741
48792
46741
5
Raiz quadrada de 289?
15
17
14
16
18
6
12 elevado a 2 ?
244
144
344
544
24