Răspunsuri

2014-11-12T15:34:51+02:00
5^36=(5^18)^2 deci este patrat perfect
7^100= (7^50)^2
(5^6)^7= 5^42=(5^21)^2
3^24= (3^12)^2
11^15:11^13=11^(15-13)=11^2
13^78= (13^39)^2
19^25*19^7=19^(25+7)=19^32=(19^16)^2
2^72=(2^36)^2
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