c1 , c2 c3 cele 3 caturi
x/24 =c1 r5 ;x =24c1+5
y /40 =c2 r 5 ;y =40c2+5
z /56 =c3 r5 z =56c3+5
x-5 =24c1
y -5 =40c2
z -5 =56c3
24=2^3*3
40 =2^3*5
56 =2^3*7
cmmmc =2^3*3*5*7 =840
x=840 +5 =7845 ;845/24 =168 r5
y =840+5 =845 ;845 /40 =21 r5
z =840+5 =845 ; 845/56 =15 r 5