m:n=p
m+n+p=107
m+n=81
m+p=104
----------------
m=?,n=?,p=?
m=(107-81)*(107-104)
=26*3
=78
p=26....adica=>.(107-81=26)
n=3......adica=> (107-104=3=
78:3=26
----------------------------------------------------------------------------------------------
a:b=c rest r
a+b+c+r=91
b+c+r=28
a+c=74
-------------------
a=?,b=?,c=?r=?
a=91-28
a=63
r=74-63
r=11
b+c=28-11
b+c=17
63:b=c rest 11......r<b
b+c=17 ...=> b*c= 63-11...=> b*c=52
daca b+c=17...=> b=13 si c=4
63:13=4 rest 11,,,,,,,,,,pentru ca....63=13*4+11
=52+11
=63