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