c) 2•2^2•2^2^2:[2+2^2+2^2^2:(2^2^2-2^2•2)]=
=2^3•2^4:[2+2^2+2^4:(2^4-2^3)
=2^7:(2+2^2+2^4:2)
=2^7:(2+2^2+2^3)
=2^7:(2^3+2^3)
=2^7:2^6
=2^2->2
d)3^2+(4•6)^2+2^5•5^2-1=
=8+24^2+32•25-1
=8+576+800-1
=584+800-1
=1384-1
=1383
Sper ca te-am ajutat.
