Type in to fill the answers

2+2=

A.2

B.4

C.3

2+3=

A.5

B.7

C.6

2+4=

A.7

B.9

C.6

2+5=

A.7

B.8

C.6

2+6=

A.7

B.8

C.9

2+7=

A.7

B.8

C.9