... 3.09.07.049.0984===b) ( )522 210 2 413 1 31. 05===c) 10 10 011 1 211 .0 01. 02===d) 811 60 016 81 +=e) 9.6) 81) .(36(=f) ( )332=g) 14 416 914 416 9=h) 7)7(2=i) 7)7(2=B. Bài tập Bài 1: Thực hiện phép ... 21 165,0234 21 5234 1 ++−+6)3 1 33.733 1 19.73−7)3 1 3 1 .93+−8)−−−75:4 1 2575:4 1 159))2(:6 1 3 1 )3(:535,0−−−+−−− 10 ) 17 22.9564 1 3:74:008 ,1 252−− 11 )−+−−−243032)2,0.(3 1 22 1 1.57:75 ,1 534.)6,0.(3 1 2 12 )+−−4925: 21 1675: 19 65:5 1 1.64 16 14 425.5 1 124 12 1:5 1 1 13 )−−+−−−+−75,034 12 5 ,1 35 1 2 1 143 1 14) 1 22 1 2 1 2−+++ 15 )200522 )1( 24 .12 23.8−+−−− 16 )( )25,0:4 1 11. 439438.75,9−−− 17 )322 1 : 12 532.32. 16 9 16 −−+− 18 *)−−−542: 11 52).4.(2494.2 1 3 19 *)−++−−2 1 35,02 1 .3 1 34 )12 (4,32 1 320)65 1: 322337 ,1: 81, 1788,0:4,2.75,0 .18 3 1 26375,47:5,4−−−Bµi ... xx=7)x97 1 03,0322=8) 01, 0 :1 52:3=x9) ( ) 1 322:25,02:543=x 10 )52 1 3+=+xxxx 11 )54735 1 1=+x 12 ) 10 21 53=x 13 )33 31 183:=y 14 ) 6525,0 12 11 =+x 15 )5,2=x 16 )2573,0=+x 17 )2 ,1 =x 18 ) 14 3 1 =+x 19 )...