Respuesta :

7) 5+4 = 9

4+5=9

8) 6+5 = 11

5+6 = 11

9) 6+7 = 13

7+6 = 13

10) 7+8 = 15

8+7 = 15

11) 8+9 = 17

9+8 = 17

12) 5+6 = 11

6+5 = 11

13) 7+6 = 13

6+7 = 13

14) 9+8 = 17

8+9 = 17

ANagy
with each one you cans use your fingers to add, for 7. you should make the 4 a 3 and add the 1 left over to the five and make the five a six 3+6= you got this (listen to the teacher)