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CO 0> k> o c ce O (M a 1 5 1 + 2‘/,=3V* 33/7 12 I3/- 6 ■ POL A C 1 2‘/2+2V2=5 1 G 3 18 El 1*/. 27 6 9 120% Total 3 22 V, 4 V, 27 30 B 60+ 60=120 10‘/a+14=24‘/t «*/t 168 48 6+2x21 E 60+60=120 18+131/j=311/, 5*/, 180 60 2x30 C 60+60=120 14+21=35 44/s 168 48.