12 + ☐ = 13 ☐ + 8 = 11 16 − ☐ = 9 ☐ − 3 = 9 ☐ − 12 = 7 12 − ☐ = 4

2 классМатематика

12 + ☐ = 13
☐ + 8 = 11
16 − ☐ = 9
☐ − 3 = 9
☐ − 12 = 7
12 − ☐ = 4

StaticConfig

12 + ☐ = 13 ☐ + 8 = 11 16 − ☐ = 9 ☐ − 3 = 9 ☐ − 12 = 7 12 − ☐ = 4

Решение

12 + 1 = 13
3 + 8 = 11
167 = 9
123 = 9
1912 = 7
128 = 4