Captcha 91 − 85 =

Captcha 29 − = 21

Captcha 19 − = 16

Captcha − 1 = 1

Captcha 15 + = 23

Captcha + 66 = 73

Captcha 50 − = 45

Captcha + 4 = 14

Captcha 46 − = 38

Captcha − 1 = 5