Răspunsuri

2014-03-06T18:01:36+02:00
A+b+c=399
a-x=89=>a=x+89
b-x=162=>b=162+x
c-x=115=>c=115+x
x+89+x+162+x+115=399
3x+366=399
3x=399-366=33
x=33/3=11
a=11+89=100
b=11+162=a73
c=11+115=126

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2014-03-06T18:02:27+02:00
89+162+115=366
399-366=33
33:3=11  11+89=100    11+162=173   115+11=125

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