Ricordami
Captcha − 1 = 6
Captcha 18 − = 9
Captcha 85 + = 88
Captcha 6 + 1 =
Captcha − 4 = 4
Captcha 42 − 39 =
Captcha + 5 = 11
Captcha 77 − 69 =
Captcha + 11 = 17
Captcha 10 + = 16