... 418x(2, 1-0 ,22)x(2, 1-0 ,22)/4+418x(3,75 - 0,22)x(7,5+7, 5-2 ,1)/4 Do sn truyn vo dm dc trc B 418x(2,1/ 2-0 ,11)x(3,75+3,7 5-2 ,1)+418x(3,7 5-0 ,22)x(3,7 5-0 ,22)/2 Do trng lng ct: 0,4x0,7x2500x1,1x(4, 5-0 ,4) ... 418x(2, 6-0 ,22)x(2, 6-0 ,22)/4+418x(3,75 - 0,22)x(7,5+7, 5-3 ,75)/4 Do sn truyn vo dm dc trc C 418x(2,6/ 2-0 ,11)x(3,75+3,7 5-2 ,6)+418x(3,7 5-0 ,22)x(3,7 5-0 ,22)/2 Do trng lng ct: 0,4x0,7x2500x1,1x(4, 5-0 ,4) ... 418x(2, 6-0 ,22)x(2, 6-0 ,22)/4+418x(3,75 - 0,22)x(7,5+7, 5-3 ,75)/4 Do sn truyn vo dm dc trc D 418x(2,6/ 2-0 ,11)x(3,75+3,7 5-2 ,6)+418x(3,7 5-0 ,22)x(3,7 5-0 ,22)/2 Do trng lng ct: 0,4x0,7x2500x1,1x(4, 5-0 ,4)...