Bonjour,
11* 7/11 = 77/11 = 7
36/9 * 9= 324/9 = 36
5/15 *15 = 75/15= 5
25* 5/25 = 125/ 25 = 5
8* 56/8 = 448/8 =56
13* 1/13 =13/13 = 1
