Question

c:d=3 rest3 c+d=75 a = (2supra 3 din c) b=impatritul treimii lui d afla diferenta dintre (a+b+d) - c

Answer 1

c:d=3,rest,3=>c=3d+3
c+d=75=>c=75-d
Egalam,cei,doi,c
3d+3=75-d=>3d+d=75-3=>4d=72=>d=18=>c=75-18=>c=57
a=2/3x57=>a=38
b=4x1/3x18=>b=24

(a+b+d)-c=(38+24+18)-57=80-57=23