ответ. C67=C6+C7; C567=(C67*C5)/(C67+C5); C4567=C4+C567;
C34567=(C4567*C3)/(C4567+C3);C234567=C2+C34567;
C1234567=(C234567*C1)/(C234567+C1); C67=C; C567=C/2; C4567=1,5*C;
C34567=0,6*C;C234567=1,6*C; C1234567=(8/13)*C
ответ. C67=C6+C7; C567=(C67*C5)/(C67+C5); C4567=C4+C567;
C34567=(C4567*C3)/(C4567+C3);C234567=C2+C34567;
C1234567=(C234567*C1)/(C234567+C1); C67=C; C567=C/2; C4567=1,5*C;
C34567=0,6*C;C234567=1,6*C; C1234567=(8/13)*C