分数方程专项练习 1 8 0 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) (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= (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= , (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, (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 (56)x﹣×6= (57)x+1
2x=25 (58)8﹣4
5x=, (59)x﹣0
95×4=8
5, (60)2x﹣=2+, (61)x+ x= , (62)x﹣=2﹣, (63)﹣=2
5, (64)x=18, (65)x﹣= , (6