... 51 49& apos;12"sin 51 49 '12" 52,30sin 6 10'12"HC AC mì ì= = Kết quả: 53, 799 35 49 4 m 1,0 9 BH 3.8632 796 35; AD 3,2716681860.52cosA 0,57203 498 4; BD 3 ,90 61875460,521,115 296 783BHDS ... 1.881.640. 295 .202.816 1,024752 095 95 63045103477 103477x = =1,027130 31 39 1 399 1 399 1y = =1,03D = ƯCLN(A, B) = 583 0,52ƯCLN(A, B, C) = ƯCLN(D, C) = 53 0,5( , ) 3235 696 64( , )A BE BCNN A ... 3,2716681860.52cosA 0,57203 498 4; BD 3 ,90 61875460,521,115 296 783BHDS cm=; 4,021162767BM 1,010134 23 9 3 2551 725; 49; 16 4 48 34 2 199 25 5 15a b ca b c a b ca b c+ + = + = = =...