Fie a numarul la care ma gandesc:
(a : 7 × 3) : 2 + 188 = 200
(a : 7 × 3) : 2 = 200-188
(a : 7 × 3) : 2 = 12
a : 7 × 3 = 12 × 2
a : 7 × 3 = 24
a : 7 = 24 : 3
a : 7 = 8
a = 8 × 7
a = 56 (numarul)
Verificam:
(56: 7×3) : 2 + 188 =
= 24 : 2 + 188 =
= 12 + 188 =
= 200