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2014-09-09T16:24:11+03:00
A+b+c=220
a+b-c=44⇒a+b=44+c
b+c-a=102⇒b+c=102+a
44+c+c=220
2c=176
c=176:2
c=88
102+a+a=220
102+2a=220
2a=118
a=59
88+59+b=220
147+b=220
b=73
3 5 3