9la puterea 30:(27la putere20)
(3²)la puterea 30 :(3³)la puterea 20
3la puterea2*30:3la puterea3*20
3la puterea 60:3 la puterea 60
=1
5^100:25^48
5^100:(5²)48
5^100:5^2*48
5^100:5^96
5^100-96
5^4
625
27^30:81^22
(3³)^30:(3^4)^22
3^90:3^88
3^90-88
3^2
9
5³*25^25:125^7
5^3*(5^2)^25:(5^3)^27
5^3*5^50:5^81
5^3+50+81
125+50+81
256
16^20*8^40:4^99
(4^2)^20*(3^2)^40:(2^2)^99
4^40*3^40:2^198