Question

Help.Cпасибо заранее

Answer 1

(31)²=961
(39)²=1521
(51)²=2601
(59)=3481

10²=100
20²=400
30²=900

Answer 2

31^2=961
39^2=1521
51^2=2601
59^2=3481
10^2=100
20^2=400
30^2=900