а ) 53 , 5 : 5 = 53 . 5 * 10 / ( 5 * 10 ) = 535 / 50 = 107 * 5 / ( 5 * 10 ) = 107 * 1 / ( 1 * 10 ) = 107 / 10 = 10 . 7 ; б) 1 , 75 : 7 = 1 . 75 * 100 / ( 7 * 100 ) = 175 / 700 = 25 * 7 / ( 7 * 100 ) = 25 * 1 / ( 1 * 100 ) = 25 / 100 = 25 * ( 25 * 4 ) = 1 / ( 1 * 4 ) = 1 / 4 = 0 . 25 ; в) 0 , 48 : 6 = 0 . 08 ; г) 13 , 2 : 24 = 13 .2 * 10 / ( 24 * 10 ) = 132 / 240 = 0 . 55 ; д) 0 , 7 : 25 = 0 . 7 * 10 / ( 25 * 10 ) = 7 / 250 = 0 . 028.