Captcha 14 − = 13

Captcha 46 − = 43

Captcha − 4 = 1

Captcha 19 + = 27

Captcha 38 + = 42

Captcha 47 − = 42

Captcha 33 − = 29

Captcha + 42 = 52

Captcha − 3 = 1

Captcha 69 − = 59