Răspuns :
b * b * b = 125
5 × 5 × 5 = 125
a * a * a < 30
3 × 3 × 3 < 30
27 < 30
sau ......
a * a * a < 30
2 × 2 × 2 < 30
8 < 30
sau .....
a * a * a < 30
1 × 1 × 1 < 30
1 < 30
5 × 5 × 5 = 125
a * a * a < 30
3 × 3 × 3 < 30
27 < 30
sau ......
a * a * a < 30
2 × 2 × 2 < 30
8 < 30
sau .....
a * a * a < 30
1 × 1 × 1 < 30
1 < 30