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positive and negative po yan
1.9 - ५.-7 11.-5 - C-D 2--20 - 18 3.-10 -B) 7-30 -(10) p-C-25) -25 4.30 -20 8.20 - 15 S.300 -40 9--So -40 13.C-45) - (+S) 10. 800 -206 14.65 (12) - 15-120 100​


Positive And Negative Po Yan19 7 115 CD 220 18 310 B 730 10 PC25 25 430 20 820 15 S300 40 9So 40 13C45 S 10 800 206 1465 12 15120 100 class=