Question

Найди сумму: 2+8+7+3; 4+6+1+9; 5+8+5+2

Answer 1

2+8+7+3=20
4+6+1+9=20
5+8+5+2=20

Answer 2

2+8+7+3=20
4+6+1+9=20
5+8+5+2=20

Answer 3

спасибо

Answer 4

нез