第 1 页 共 33 页 分数方程专项练习 180 题(有答案) (1) +X= , (2)X﹣ = , (3) x+ x=42, (4)=, (5)5x﹣3×= , (6) x+ = , (7) +2x= , (8)12÷(x+ )=1
2, (9) (10) 第 2 页 共 33 页 (11) X×2=4×5,, (12)X﹣ X= , (13)90× + x=20, (14)0
2x+ =8﹣x, (15)X+(3X﹣16)÷ =10(X+1), (15)= , (16) X﹣X=1, (17) x+ x=42 (18), (19)﹣=1, (20)2X+1 =2, (21)﹣x= 第 3 页 共 33 页 (22)x+2=4
25 (23)x﹣(1 + )=4
5 (24)37
5+ +x=69 (25), (26) x=2
4×5, (27)x﹣+ = , (28) x+ x=121, (29)(x+ )×7=8
1, (30)=, (31)4x+ =5, (32) +x=9, (33) x﹣ x= , 第 4 页 共 33 页 (34) x+ x=11, (35)2x+ =4
625, (36) ﹣2X= , (37)x﹣ x=2, (38) +21
5= x, (39) ﹣3x=, (40) + x= , (41) x+5×4=95 (42)x﹣ x= (43) ﹣3χ=, (44) x﹣ x=0
2, (45)y﹣4﹣ y=18, 第 5 页 共 33 页 (45), (46) ×3+2
75x=, (47), (48)5x﹣3×= , (49) x= , (50)x+ x=39, (51)7x﹣3x=, (52) x+ =, (53)﹣= , (54), (54), (55)5x﹣ =34 第 6 页 共 33 页 (56)x﹣ ×6= (57)x+1