a; b; c - numere căutate.
a+b+c= 4267
a+b= 3223
b+c= 1832
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a= ?; b= ?; c= ?
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a+b+c=4267
3223+c=4267
c= 4267-3223
c= 1044
b+c= 1832
b+1044= 1832
b= 1832-1044
b= 788
a+b= 3223
a+788= 3223
a= 3223-788
a= 2435
\\weskizq
