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Nikoo1
a fost răspuns

1488-7:[6-5×(32:8-4:n)+1]-6-1288=193

Răspuns :

Slavitescudora
1488-7:[6-5×(4-4:n) +1]-6-1288=193
1488-7:[6-(20-20:n) +1]-6=193+1288
1488-7:[7-20+20:n]=1481+6
1488-7:[-13+20:n] =1487
-7:[13+20:n] =1488-1487
13+20:n=-7:1
13+20:n=-7
20:n=-7-13
20:n=-20
n=20:-20
n=-1