Question

Cine ma poate ajuta?

Cel mai bun raspuns 30 P
+
Coroana+10 S​

Answer 1

Răspuns:

a)

${2}^{91} - {}^{21} = {2}^{70} \\ {75}^{84} - {}^{81} = {75}^{3} \\ 3 {}^{25} - {}^{18} = 3 {}^{7} \\ 5 {}^{91} - {}^{52} = 5 {}^{39} \\ {7}^{34} - {}^{9} = {7}^{25} \\ {14}^{45} - {}^{20} = {14}^{25}$