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