Răspuns:
0 + 14 - 7 : 7 + ( 14 - 7 ) : 7 × 100 - 100 =
= 0 + 14 - 7 : 7 + 7 : 7 × 100 - 100 =
= 0 + 14 - 1 + 7 : 7 × 100 - 100 =
= 0 + 14 -1 + 1 × 100 - 100 =
= 0 + 14 - 1 + 100 - 100 =
= 0 - 14 - 1 + 0 =
= 14 - 1 - 0 =
= 14 - 1 =
= 13
