解方程(1)3x-2=-5 (2)-5x+2=3x-4 (3)2x-3(10-x)=5 (4)3(x-1)=3-(2x+1) (5)1-3(x+1/3)=1/3

日期:2011-12-02 13:16:39 人气:1

解方程(1)3x-2=-5 (2)-5x+2=3x-4 (3)2x-3(10-x)=5 (4)3(x-1)=3-(2x+1) (5)1-3(x+1/3)=1/3

(1) x = -7 / 3 (2) x = 3 / 4 (3) x = 7 (4) x = 1 (5) x = -1 / 9 (6) x = 66 (7) x = -6 / 5(是否少打括号?) (8) x = -1 / 4
    A+
热门评论