Răspunsuri

2014-11-02T21:21:33+02:00
(3 la puterea 5+3) la puterea 5

(3 la puterea 8) la puterea 5

6561 la puterea 5



3 2 3
2014-11-02T21:21:36+02:00
3^x+3^(x-1)=4
3^x+3^x·3⁻¹=4
3^x+3^x/3=4
notam 3^x=t
t+t/3=4
(3t+t)/3=4
4t/3=4
t=4·3/4
t=3⇒   3^x=3⇒x=1
verificare
3¹+3^(1-1)=4
3+3°=4
3+1=4

1 5 1