Варіант 2. Номер 215

1)5,7+ 6,6 = 12,3;

2) 7,80 + 8,34 = 16,14;

3) 12,87 + 3,50 = 16,37;

4) 27,0 + 3,4 = 30,4;

5) 2,256 + 0,742 = 2,998;

6) 28,215 + 10,750 = 38,965;

7)5,600 + 14,158 = 19,758;

8) 0,451 + 0,600 = 1,051;

9) 6,53 + 1,47 = 8,00.