精品文档---下载后可任意编辑(1){2x−1>1¿¿¿¿ (2)2x−1− x+2x2−x=0(3)(1){2x−13−5x+12≤1¿¿¿¿¿¿ (2)x−3x−2−2=12−x (3)(1){12 x−13 x¿−1¿ ¿¿¿ (2)2−x3+x =12 + 1x+3 (3)( 3 xx−2−xx+2 )÷2xx2−4(1) (2) (3)(1) (2) (3)(1) (2) (3)(﹣x+1)÷(1) (2) (3)(1) (2)32x ﹣2+11﹣ x =3 (3)(1) (2)xx+2 ﹣ x+2x﹣2=8x2﹣4 (3)(1){¿3( x+1)>5x+4①¿ x ﹣12≤ 2x ﹣13② (2) 1x+1 +2x ﹣1=1x2﹣1 (3)x2x﹣2+42﹣ x )÷ x+22x(1):{¿3 x﹣5<2 x¿ x ﹣12≤2 x+1 (2) x+1x﹣1﹣ ﹣4x2﹣1=1 (3)(x2﹣4x2﹣4 x+4+ 2﹣ xx+2 )÷xx﹣2.(1){¿2x+7>3x ﹣1¿ x﹣25≥0 (2) 2x+1 +3x ﹣1=6x2﹣1 (3)(1x+2+2x ﹣2 )÷ 3 x+2x2+2 x13132xxx141-22 xx22111121xxxxxxx22111121xxxxxxx