Răspuns :
a - 8 × 5 - 8 × 5 = 8 × 5
a - 40 - 40 = 40
a - 40 = 40 + 40
a - 40 = 80
a = 80 + 40
a = 120 => numărul
X-8×5−8×5= 8×5
X−8×(5+5) = 40
X − 8×10= 40
X− 80= 40
X= 40+80= 120
X= 120
a - 8 × 5 - 8 × 5 = 8 × 5
a - 40 - 40 = 40
a - 40 = 40 + 40
a - 40 = 80
a = 80 + 40
a = 120 => numărul
X-8×5−8×5= 8×5
X−8×(5+5) = 40
X − 8×10= 40
X− 80= 40
X= 40+80= 120
X= 120