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folosinf factorul comun: la puterea=lp
2lp104+2lp103+2lp102+2lp101+2lp100=


Răspuns :

2lp100(2lp4+2lp3+2lp2+2lp1+1)=
2lp100(16+8+4+2+1)=
2lp100x31