7 - (7+7) : 7 = 5
(7 · 7 - 7) : 7 = 6
(7 - 7) · 7 + 7 = 7
(7 · 7 + 7) : 7 = 8
7 + (7 + 7) : 7 = 9
(77 - 7) : 7 = 10
7 - (7+7) : 7 = 5
(7 · 7 - 7) : 7 = 6
(7 - 7) · 7 + 7 = 7
(7 · 7 + 7) : 7 = 8
7 + (7 + 7) : 7 = 9
(77 - 7) : 7 = 10