Réponses

2013-10-26T09:15:31+02:00
25+12+6+8+(2x(15+9+7)-100+29
=51+2(31)-100+29
=51+62-100+29
=42

2013-10-26T09:29:50+02:00
25+12+6+8+(2x(15+9+7)-100+29
25+12+6+8+2x(31)-100+29
51+62-100+29
42