Ответ:
COB=x
AOC=x+50
x+x+50=150
2x+50=150
2x=100
x=50
AOC=50+50=100
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Ответ:
COB=x
AOC=x+50
x+x+50=150
2x+50=150
2x=100
x=50
AOC=50+50=100