Captcha + 72 = 74

Captcha 94 − = 85

Captcha 17 + = 19

Captcha − 8 = 1

Captcha 96 − 86 =

Captcha 32 − 30 =

Captcha 7 + 3 =

Captcha 55 + = 63

Captcha 86 − = 83

Captcha − 2 = 1