mk2、1 Cmmoidor on Anthema eisel phaee resctor、 in & BCMT.A→k A人=14mm…u,k=174mm,=km ( a) Calculate ye reuirtd hink tu etten (b)J千+0 y4x=0.8, +0+mi955hBu,以pmrh 158,Owm叶Hrer )Fem.25) 长2分 237=x2 2C下 A=06,t a5x=12.28428A=2.+3/k A=6.8 36 6.7682 A(×A= 6=13051838mn=/9,228yk 2 h fux X /24 67682+=8,2682人 170×8682/06