Question

Pe ex 2 doar pe d,e,f,g,h,i,j,k,l
DAU COROANA și 20 DE PUNCTE

Answer 1

d) 11^4=11^2•2=121^2
e) 21^17:21^13=21^4=21^2•2=441^2
f) 17^13•17^19=17^32=17^16•2=(17^16)^2
g) (7^3)^6=7^18=7^9•2=(7^9)^2
h) 2^8•4^3•16=2^8•(2^2)^3•2^4=2^8•2^6•2^4=2^18=2^9•2=512^2
i) 25^17=(5^2)^17=5^34=5^17•2=(5^17)^2
j) 36^7:6^8=(6^2)^7:6^8=6^14:6^8=6^6=6^3•2=216^2
k) 2^35+2^35=2^35•2=2^36=2^18•2=(2^18)^2
l) 5^15-5^14=5^14•5-5^14=5^14•4=(5^7•2)•2=(5^7)^2•2

^ = la puterea..