Question

A 1+2=. B. 5+2=. C. 4+2. D 9+7+2=
2 3. 6 3. 5 3. 3 4 3

E. 4+3. F. 2+1+3
5 3. 7 10 2

Answer 1

A 1+2= (.) =3

B. 5+2=7
 
C. 4+2 = 6

D 9+7+2= 18

2 3. 6 3. 5 3. 3 4 3

E. 4+3.
 
F. 2+1+3  5 3. 7 10 2