Question

!=puterea 1,@=puterea 2,#=puterea 3,$=puterea 4,%=puterea 5,^=puterea 6,&=puterea 7,*=puterea 8,(=puterea 9.

Determinati nr natural x pentru care: x@ + 3$=15@.

Answer 1

x@ + 3$=15@.
x² +3⁴ =15²
x² +81 =225
x²  =225-81
x²  =144
x²  =12²
x=12