Ricordami
Captcha 16 − = 9
Captcha 87 + = 89
Captcha 93 − 88 =
Captcha 20 + = 28
Captcha + 42 = 45
Captcha 89 − 85 =
Captcha 48 + = 55
Captcha 11 − = 8
Captcha − 1 = 1