scoateti factor comun 2^26+2^78+2^80=

13^14•3-13^13•2-13^12=

2^6+2^7+2^8=

6^8+6^9•4+6^10

va rog rapid

dau coroana!!!


Răspuns :

2=26+78+80
2=148+26
2•174
348