a. (0,8-5/13*0,13):(2/3)i do potengi -3= b. ((-1)do potengi 2 +2 do potengi -1-2 do potengi -2)do potengi -1= c.(-1/2)do potengi 2 -1,7do potengi 2 *(1/17)do potengi 2=
a. (0,8-5/13*0,13):(2/3)i do potengi -3= b. ((-1)do potengi 2 +2 do potengi -1-2 do potengi -2)do potengi -1= c.(-1/2)do potengi 2 -1,7do potengi 2 *(1/17)do potengi 2=