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﹣= , (66)x﹣x=, (67), (68), (69)x﹣x= , (70)1.25:0.25=, (71)1﹣x= , (72)x+ x= , (73)x+ x=42, (74)x+0.25= , (75)x=10×, (76)x+ x=2 , (77)x×(1﹣37.5%)= , (78)(x+ )=2, (79)x=50×, (80)x+ x=42, (81)4+ x=102, (82)X+ X= , (83)X=, (84)(1﹣)X= , (85)χ﹣χ= , (86)χ=42×, (87)8x﹣×3=, (88)+ =1, (89)3x﹣×=50%, (90)3x﹣x=, (91)+x=, (92)﹣x= ×, (93)÷x=0.8, (94)x+5×4=95, (95)x﹣x﹣4=18, (96)÷ⅹ= , (97)x× =4, (98)ⅹ= , (99)ⅹ﹣6=7, (100)+5x=110, (101)x﹣4=60, (102)x﹣x=9, (103)x﹣x=3.6, (104)÷x= (105)=9.1, (106)4(+x)=, (107)×0.25+ x= , (108)x+ x= , (109), (110), (111)+3x= , (112)= , (113)× ﹣X= ...