ta có :

\(3^3.7^3=\left(3.7\right)^3=21^3\)

3³7³=(3.7)³

49.7.343 = 7 2 .7.7 3 = 7 6

3.27.9 = 3.3 3 .3 2 = 3 6

3.27.9 = 3⁶

25. 5. 125 = 5⁶

25.5.125 = 5 2 .5.5 3 = 5 6

2 3 . 8 27 . 16 81 = 2.2 3 .2 4 3.3 3 .3 4 = 2 8 3 8 = 2 3 8

2 3 . 4 9 . 8 27 = 2 3 6

3 4 . 9 16 . 27 64 = 3.3 3 .3 3 4.4 2 .4 3 = 3 4 6

2 3 . 4 9 . 8 27 = 2.2 2 .2 3 3.3 2 .3 3 = 2 6 3 6 = 2 3 6