每日一练1解一元一次方程(19)解下列方程:(每题 5分)(1 ) (2 )13x )13(72)41(6xx(3 ) (4 ) 51x 312413xx(5 ) (6)51231xx )12()(3xx每日一练2(7 ) 4x3(20x)=6x7(9 x) (8 ) )12(43)(12xx(9 ) (10)43(1)232xx 2354xx(11 ) 123x(12 ) (4)16x每日一练3解一元一次方程(19)解下列方程:(每题 5分)(1) (2)32123xx(3)234(5x-1)-8-2=8 (4) 5221yy(5 ) (6)32)1(234xx 9)72.0(5)43.(2xx每日一练4(7 ) (8))1(32)(12xx xx325.)125.0(3(9 ) (10 )321xx 13546721xx(11 )(12) 5623102xx )421(561xx