Explicație pas cu pas:
1. a) 6^4 × 5^4 =30^4
b) 49-1=48
c) 45^2×2^2=2025×4=8100
d) (3^2×3)^2=(9×3)^2=27^2=648
2. a) 91^53 < 91^62
b) 24^125 > 23^125
c) 19^34 > 9^32
d) 2^55 < 5^22
3. 12^55:6^55:2^50×7×1+13^2=
=2^55:2^50×7+13^2=
=2^5×7×13^2=
=.....
