... 35.48x10 6 5 76. 58 14430 .69 x10 6 12819.06x10 6 109122.29 26. 28x10 6 23 962 .98x10 6 13038.10x10 6 Ix=(13038,10x10 6 +23 962 ,98x10 6 )=37001,08 x10 6 mm4.y’=AyA∑∑= 6 26, 28 10240, 863 109122,29x= ... tỏp 5400 1391 7.51x10 6 573. 56 17 76. 43x10 6 0.15x10 6 43408 35.48x10 6 962 4.42x10 6 3194 .64 x10 6 Ix=(3194 ,64 x10 6 + 962 4,42x10 6 )=12819, 06 x10 6 mm4.y=AyA= 6 35,48 10817,44243408x= ... 4475.85x10 6 12819.06x10 6 65 312. 76 2 32.42x10 6 13345.50x10 6 12892.07x10 6 Ix=(12892,07x10 6 +13345,50x10 6 )= 262 37,58 x10 6 mm4.y=AyA= 6 32,42 104 96, 333 65 312, 762 x= mm.yt= - 4 96, 333 mm.yb=140 0-4 96, 333=903 ,66 7...