... 43;422*22*121==c) 60 20 5* 4*3 5* 4*131==; 60 15 5*4*3 5* 3*141==; 60 124*3 *5 4*3*1 5 1== 12090 6 *5* 4 6 *5* 343==; 120 96 6 *5* 4 6* 4*4 5 4==; 120100 6 *5* 4 5* 4 *5 6 5 ==d) 153 0119017*10*917*10*797==; ... 153 0137717*10*917*9*9109==; 153 01 350 17*10*910*9* 15 17 15 == 52 844011*8 *6 11*8 *5 6 5 ==; 52 8 462 11*8 *6 11 *6* 787==; 52 843211*8 *6 8 *6* 9119==Bài 2. So sánha) 7 5 ... = 0 ,55 b. 11, 75 + 5, 57 + x = 23c. 11, 75 5, 67 x = 2, 35 d. X : 12,8 = 1 ,6 e. 16, 48 * x = 4,12f. 14 : xx 16, 0*4,0 + + 5 = 12g. X + 18,7 = 1,01 *5 : 1/4h. ( 45, 4 3 ,5 x ) : 47 = 0, 35 Bài...