addition
whats 10 + 11
whats 21
whats 28-9
whats 19
whats 30+20
whats 50
whats 91-21
whats 70
whats 12 + 17
whats 29
whats 89-2
whats 87
whats 20+20
whats 40
whats 67-7
whats 60
whats 8 + 8
whats 16
whats 56-8
whats 48
whats 91+2
whats 23
whats 78-13
whats 65
whats 6+21
whats 27
whats 49-9
whats 40
whats 36+3
whats 39
whats 34-25
whats 9
whats 19 + 5
whats 24
whats 100-90
whats 10
whats 40+4
whats 44
whats 56-17
whats 39