Răspuns :
[(72x3-80):2+2x125]:4=
[(216-80):2+250]:4
(136:2+250):4
318:4=cred ca e ceva gresit
[680:2x4x(20+12+18)]=
1360x50=68000
[(216-80):2+250]:4
(136:2+250):4
318:4=cred ca e ceva gresit
[680:2x4x(20+12+18)]=
1360x50=68000
[(216-80):2+2*125]:4=[136:2+2*125]:4=[68+2*125]=[68+250]=318:4=79 rest2