... 3, 41 (tm). II II : M II = 1, 263 . 3,9 2 ,1 . 1, 2 = 2,406 (tm). III III: MIII = M II = 1, 263 . 3,9 2 ,1 . 1, 2 = 2,406 (tm). IV- IV : MIV = 1, 263 . 11 ,1 - 2 ,1 . ( 1, 2 + 7,2 ) = - 3,6 21 ... ra với: .13 3,0 15 2,7953 ,10 GP1mm== I-I : MI = - 3,958 . 0 ,13 3 = - 0,526 (tm). II II : M II = 1, 806 . 0 ,13 3 = 0,24 (tm). III III: MIII = - 6 ,10 9 . 0 ,13 3 = - 0, 813 (tm). IV- IV : ... vệ4 81, 01, 0 18 9, 01, 0 11 ,0 1, 0he 1, 0 11 ,0S0=++=++=).kg(590689 )17 199 .10 .2720000 .10 .29.3 71, 14 81, 0.( 10 804,6N642th=+=.365 ,1 590689 15 79 91 1 1 NN 1 1th===).cm( 415 ,255 ,15 5,426035 ,11 .365,1a2he.e0=+=+=+=).cm(6, 31 40 .13 0)32 ,12 13 ,14 .(340 015 79 91 b.RF.RF.RNxn,a,aaa=+=+=)cm(36, 315 ,55.565,0h.00==...