Răspuns :
86= 14
87 = 15 94 = 13
88 = 16
89 = 17 95 = 14
90 = 9 96 = 15
91 = 10 97 = 16
92 = 11 98 = 17
93 = 12 99 = 18
87 = 15 94 = 13
88 = 16
89 = 17 95 = 14
90 = 9 96 = 15
91 = 10 97 = 16
92 = 11 98 = 17
93 = 12 99 = 18
86+88+90+92+94+96+98=164+90+92+94+96+98=254+92+94+96+98=346+94+96+98=440+96+98=536+98=634