2:8×178:6:(456789-567902):(a+2)=17

Răspuns :

2:8×178:6:(567902-456789):(a+2)=17
2:8×178:6:111113:a+2=17
4×178:6:111113:a+2=17
712:6:111113:a+2=17
111113:118r67:a+2=17
111113:118+67:a+2=17
111113:185:a+2=17
600r61:a+2=17
600+61:a+2=17
661:a+2=17
a=661:2+17
a=347r5
Sper ca te.am ajutat