Question

2+2=?
2+1=?
2+0=?
3+1=?

Answer 1

2+2=4
2+1=3
2+0=2
3+1=4

Answer 2

☆Hello friend☆

Basic calculation specifies that :-

2+2 = 4

2+1 = 3

2+0= 2

3+1 = 3

$hope \: it \: helps$

☺☺☺!