Что узнали во втором классе — Сложение и вычитание — 5 — стр. 105

5 + 6 = 11

11 − 5 = 6

6 + 5 = 11

11 − 6 = 5

9 + 2 = 11

11 − 9 = 2

2 + 9 = 11

11 − 2 = 9

4 + 7 = 11

11 − 4 = 7

7 + 4 = 11

11 − 7 = 4

8 + 3 = 11

11 − 8 = 3

3 + 8 = 11

11 − 3 = 8.

6 + 6 = 12

12 − 6 = 6

9 + 3 = 12

12 − 9 = 3

3 + 9 = 12

12 − 3 = 9

7 + 5 = 12

12 − 7 = 5

5 + 7 = 12

12 − 5 = 7

8 + 4 = 12

12 − 8 = 4

4 + 8 = 12

12 − 4 = 8.

7 + 6 = 13

13 − 7 = 6

6 + 7 = 13

13 − 6 = 7

4 + 9 = 13

13 − 4 = 9

9 + 4 = 13

13 − 9 = 4

5 + 8 = 13

13 − 5 = 8

8 + 5 = 13

13 − 8 = 5.

5 + 9 = 14

14 − 5 = 9

9 + 5 = 14

14 − 9 = 5

8 + 6 = 14

14 − 8 = 6

6 + 8 = 14

14 − 6 = 8

7 + 7 = 14

14 − 7 = 7.

8 + 7 = 15

15 − 8 = 7

7 + 8 = 15

15 − 7 = 8

6 + 9 = 15

15 − 6 = 9

9 + 6 = 15

15 − 9 = 6.

7 + 9 = 16

16 − 7 = 9

9 + 7 = 16

16 − 9 = 7

8 + 8 = 16

16 − 8 = 8.

8 + 9 = 17

17 − 8 = 9

9 + 8 = 17

17 − 9 = 8.

9 + 9 = 18

18 − 9 = 9.