Ответ:
ПУСТЬ AB--100%
то СВ=АВ-АC=100%-30%=70%,
Пусть КN = 100%, то FN = KN - (KE+EF)= 100% - (20%+44%)=36%
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Ответ:
ПУСТЬ AB--100%
то СВ=АВ-АC=100%-30%=70%,
Пусть КN = 100%, то FN = KN - (KE+EF)= 100% - (20%+44%)=36%