1) 7 + 7 - 7 - 7 = 02) (7 + 7) / 7 - 7 = 13) 7 (7 - 7) + 7 = 74) (7 7) / 7 - 7 = 65) 7 * (7 - 7) + 7 = 7
1) 7 + 7 - 7 - 7 = 0
2) (7 + 7) / 7 - 7 = 1
3) 7 (7 - 7) + 7 = 7
4) (7 7) / 7 - 7 = 6
5) 7 * (7 - 7) + 7 = 7