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分数混合运算专项练习430题(有答案)ok.doc

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分数混合运算专项练习430题(有答案)  36 分数混合运算---- (1)+× (2)×﹣× (3)3 (4). (5)﹣(+) (6)2﹣÷﹣ (7)÷8+× (8)÷+× (9)×+× (10)12×(75%+) (11)20÷÷.   (12)﹣﹣+ (13)87× (14)÷5+5÷ (15)÷(﹣×) (16) (17) (18) (19)÷(﹣)÷, (20)〔+(﹣)〕÷, (21)42÷(÷), (22)(﹣)÷, (23)×+÷3, (24)12×(÷), (25)×7+×7, (26)9×÷9×, (27)(+)÷, (28)×19﹣, (29)(+)×32, (30)÷÷, (31)×87+12÷, (32)48×(), (33)÷[×()], (34)[1﹣()]×, (35), (36) (37) (38) (39) (40)+÷+, (41)÷7+×, (42)2﹣÷﹣, (43)×(+)+, (44)×+×, (45)3﹣﹣, (46)×+÷5, (47)(﹣)÷+, (48)+(+)×, (49)×÷(﹣), (50)(﹣)×100, (51)×+×, (52)×+÷, (53)(12×﹣7.3)÷, (54)÷〔(+)×], (55)(×27﹣)×, (56)××18× (57)×13+×27 (58)+×5+×2 (59)7×13×(﹣) (60)×40 (61)÷++ (62)×(+)+ (63)78× (64)÷(+) (65)×÷, (66)÷( +), (67)×7+×11, (68), (69)(15+)×, (70)﹣×, (71)13×+×15, (72)87×, (73)××32, (74)+×, (75)×0.25+×, (76)25×××, (77)3÷﹣×, (78)÷[(+)÷], (79)÷7×, (80)×4, (81)×﹣×, (82)(1﹣×)×, (83)﹣, (84)××, (85)×72﹣×23, (86)×25×40×, (87)﹣(+) (88)+(+) (89)﹣(﹣) (90)1﹣﹣. (91)0.25×19+5× (92)×13×30 (93)×+×+ (94)×7.6+2.4×0.6. (95)(﹣)×36, (96)×32×, (97)×﹣×, (98)3﹣1﹣, (99)÷÷, (100)[4﹣(﹣)]×, (101)20×+4×, (102)÷+4×, (103)23.6×10%+13.6×910%, (104)(﹣)××8, (105)++, (106)10﹣﹣, (107)+﹣+; (108)0.25+++, (109)3﹣﹣﹣, (110)15﹣5÷12﹣, (111)15×÷ (112)30×(+﹣) (113)×+40%× (114)10﹣(+×2) (115)+×﹣ (116)[(﹣1)÷]× (117)12×(+), (118)×÷×, (119)1×+÷, (120)(++)÷, (121)×+×, (122)(2﹣+)×12, (123)×+×, (124)6×××25, (125)﹣×+, (126)16××(9×), (127)×[﹣()], (128)6×+3.5, (129)×÷, (130)+(+)×, (131)÷7+×, (132)7﹣, (133)++, (134)18﹣18×, (135)+÷, (136)36×( +) (137)8×(36×125) (138)﹣×+ (139)〔1﹣(﹣)〕÷ (140)×+× (141)87× (142)×7+3×25%﹣ (143)(﹣40%)÷× (144), (145)[1﹣()], (146)0.625×36+×36﹣36, (147)(+++)×, (148)+++++++, (149)÷28, (150)×, (151)÷, (152)16×, (153)÷[(+)×]  (154)36×××42 (155)(+)÷ (156)×+× (157)÷÷ (158)×8÷ (159) (160)[1﹣(+)]÷, (161)(﹣)×45, (162)÷﹣×, (163)÷7+×, (164)×9+, (165)2﹣÷﹣, (166)(+)×24, (167)100﹣23.75﹣76, (168)3÷+3÷, (169)7+8.9+2+6.1, (170)18×(+﹣), (171)+++, (172)﹣﹣, (173)×[÷(﹣)], (174)48×+3÷7, (175)﹣(﹣), (176)+﹣, (177)﹣(+), (178)15﹣5÷12﹣, (179)﹣+﹣, (180)++, (181), (182), (183), (184), (185)12×(+)  (186)24×﹣ (187)×÷ (188)86× (189)×+÷7     (190)÷(+) (191)÷5+×, (192)(﹣)÷, (193)(﹣)×(+), (194)×(÷) (195)+÷ (196)÷[1﹣(﹣)] (197)4÷1.25÷8 (198)×+× (199)﹣﹣, (200)2﹣﹣, (201)﹣(﹣), (202)+(﹣), (203)+(+×), (204)÷[×(+)], (205)(﹣)÷, (206)÷7+×, (207)×÷, (208)36×(+﹣), (209)×58+42÷8, (210)4﹣﹣, (211)(15﹣14×)×, (212)÷﹣÷, (213)24×(+), (214)(×)÷, (215)(+)×9×17, (216)÷×, (217)3﹣1÷(+×), (218)1.75×+×+, (219)87× (220)×÷ (221)24×(++) (222)÷5+× (223)×0.375÷ (224)(﹣)×(+) (225)÷++ (226)3﹣×﹣ (227)÷[1÷(﹣)] (228)÷13+×, (229)×÷×, (230)6﹣2+1, (231)5×32×12.5, (232)×, (233)()×(1+), (234)()×+, (235)32﹣17.5﹣2.5, (236)×55, (237)+5××5, (238)(﹣)×8÷, (239)÷7+×, (240)120÷[﹣(1﹣)], (241)(﹣)÷, (242)﹣÷×, (243)÷[()×], (244)(9)×2 (245)11 (246)(3)÷3 (247) (248)×(﹣) (249)4×[(+)÷6] (250)×+÷15 (251)(6﹣×32)+ (252)÷﹣÷. (253)12﹣5﹣4, (254)24÷6, (255)1×7÷1×7, (256)()×35, (257)4×××, (258), (259) +×+, (260)26×(﹣)÷, (261)(﹣+)÷, (262)×+×+3÷19, (263)÷+×, (264)(﹣+)×24, (265)×+1.25×+125%, (266)20÷[1﹣(+)], (267)[2﹣(﹣1.5)÷]×, (268)540÷12×9+482 (270)(), (271)75%×2.5, (272), (273)2÷(2.2+0.2)6.9, (274)0.5, (275), (276), (277), (278)()×24, (279)3﹣÷﹣, (280)×+÷7, (281)19÷[(+)×], (282)[7.8+×(2.75+1.25)], (283)[()÷], (284)÷×, (285)(7.5+35×)÷, (286)×6.3﹣×4.9, (287)[+(﹣)]÷40%, (288)12+× (289)(2.9+3.1)×﹣2 (290)2×﹣. (291)(﹣)÷+, (292)19÷(+), (293)55÷11, (294)0.6×+60%×+×, (295)(+﹣)×24, (296)5×(+)﹣, (297)﹣(), (298)++, (299)﹣+, (300)1﹣﹣ (301)﹣﹣, (302)+(﹣), (303)1﹣, (304)(), (305)4÷÷, (306)2, (307)98÷(), (308)24+24×, (309)(+)×48, (310)12÷25, (311)÷, (312)÷23+×, (313)÷÷, (314)×3÷, (315)(﹣×)÷, (316)(+)×32, (317)×+×, (318), (319)88×(+), (320)××16, (321)+×, (322)44﹣72×, (323), (324)×16×, (325)÷12÷, (326)÷[(﹣)×24], (327)×+÷, (328)++×, (329) ÷(+), (330) (330), (331)(25+)×4, (332)(15﹣14×)÷, (333)()×8÷, (334)+1÷(﹣), (335)(+﹣)×24, (336)+(﹣)×, (337)0.625×9.6+62.5%×, (338)9+99+999+9999+×4, (339)(﹣+)×84+101, (340)3.5×1+0.35×10+2×350%, (341)[2+(3.4﹣2)×4.5]÷1, (342) (343) (344) (345) (346)6﹣×﹣ (347)〔1﹣(﹣)〕÷ (348) (349) (350)5+3.6×2.5÷0.48 (351) (352) (353) (354)3.6×2÷16.9÷(3×1.1 6)×1.3 (355)+++…+ (356)÷×, (357)(﹣+)×12, (358)7×÷7×, (359)1.5×﹣×, (360)(﹣)÷, (361)×+÷, (362)7÷﹣÷7, (363)×÷(﹣), (364)×3.6+5.2×0.5+1.2×50%, (365)[﹣(+)]÷, (366)11.32﹣(7+1.32), (367)89×, (368)÷÷, (369)÷4×, (370)÷+×, (371)÷[﹣(﹣)], (372)×(+)÷, (373)[﹣(+)]÷, (374)(﹣+)×42, (375)0.42×1+3, (376)1÷3.6×, (377)15×7+3÷, (378)3﹣×3.6, (379)×1÷3, (380)0.44+++0.6, (381)+2×2﹣2÷, (382)(4﹣2)÷(1+2.4), (383)48200﹣156×720÷39, (384)(3.06÷0.25+2.76)×0.2, (385)[3÷(3﹣2.4×)]×0.2, (386) +﹣, (387)25××=; (388)××=; (389)÷6÷ (390)×÷, (391)15÷×, (392)﹣+, (393)+﹣, (394)﹣(+), (395)+++, (396)×÷×, (397)×13﹣, (398)÷〔×(1﹣)〕, (399)÷+×, (400)﹣﹣, (401)﹣÷, (402)÷÷, (403)(+)×, (404)13.2÷(3.2×3﹣0.8), (405)÷[(﹣)×12], (406)×45+÷, (407)﹣×, (408)(+)÷, (409)(×+)÷(11﹣), (410)×××, (411)×+×, (412)÷[(+)×], (413)(+×)÷, (414)÷+×, (415)+×+, (416)(﹣)÷, (417)÷(﹣) (418)×[﹣(﹣)] (419)÷[×(+)] (420)÷+× (421)5.58﹣+5.42﹣ (422)999+99+9+. (423)×﹣÷, (424)1﹣÷﹣, (425)÷﹣÷, (426)(+×)÷, (427)÷+×, (428)×(+)+, (429)+,430)44,
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