Ultima cifra, puteri

Ultima cifra a numarului 2357 este

Alegeti numerele care au ultima cifra 5

 $Calculati\ u.c.\left(2^{34}\right)$   

(a)  

 $Calculati\ u.c.\left(376^{254}\right)$  

(a)  

 $Calculati\ u.c.\left(5^{67}+6^{286}+10^{67}\right)$  

(a)  

 $3+6+9+...+123$  

(a)  

 $\left(1+2+3+...+150\right)-\left(1+2+3+...+148\right)$  

 $\left[25+\left(64-15\right)\right]\cdot2+3$  

Alegeti ordinea in care efectuam operatiile daca nu avem paranteze

 $2\cdot\left\{34+25:\left[100:2-5^2+10\cdot\left(8^2-2^6\right)\right]\right\}+30$