分数混合运算专项练习430题(有答案)
(1
)+
×
(2)×﹣×
(3)3
(4)
.
﹣(
+)
(5)(6)2﹣÷
﹣
÷8+×
(7)(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)
×19﹣
,
(28)
(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,
1
(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)78×
(63)÷(+
)
(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)÷[(+)÷],÷7×,
(79)
×4
,
(80)
×
﹣×
, (81)
(1﹣×)×,
(82)
﹣
,
(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)×÷×,
分数混合运算---- 2
(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﹣(
, )]
,
(168)3÷+3÷, (169)7+8.9+2+6.1, (170)18×(+﹣), (171)
+
+﹣
+
,
(192)(﹣)÷(193)(﹣(194)×((195)+
,
)×(+), ÷)
(146)0.625×36+×36﹣36, (147)(+
(148)+++++
+)×+
+, +
÷
(172)﹣, (196)÷[1﹣(﹣)] (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,
(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+×,
分数混合运算---- 3
(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,
分数混合运算----
4
(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)×(290)2×﹣
﹣2 .
(313)(314)
÷÷, ×3÷,
(337)0.625×9.6+62.5%×, (338)9+99+999+9999+×4, (339)(
﹣+
)×84+101,
(291)(﹣)÷+, (292)19÷(+), (293)55
÷11, +60%×
+×
(315)(﹣×)÷, (316)(+)×32, (317)×+×, ,(318)
, (340)3.5×1+0.35×10+2×350%, (341)[2+(3.4﹣2)×4.5]÷
(294)0.6×
(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+
×
,
(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)+(﹣)×
,
分数混合运算---- 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)(
﹣)÷,
, ÷7,
),
(384)(3.06÷0.25+2.76)×0.2, (409)((385)[3÷(3﹣2.4×(386)
+﹣,
×=× =
; ;
)]×0.2×
+)÷(11﹣),
,
(410)×××
(361)×+÷(362)7÷
﹣
(411)×+×, (412)÷[(+)×(413)(+
×)÷
], ,
(387)25×(388)×
(363)×÷(﹣
(364)×3.6+5.2×0.5+1.2×50%(389)÷6÷(414)÷+×, (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,
(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)(+)÷
,
分数混合运算----
6
(415)+×
+
,
(416)(﹣)÷, (417)÷(﹣) (418)×[﹣(﹣)]
(419)÷[×(+)] (420)÷
+×
(421)5.58﹣+5.42﹣ (422)999+99+9+. (423)×﹣÷, (424)1﹣÷﹣
,
(425)
÷﹣÷,
(426)(+×)÷,
(427)÷+×
,
(428)×(+)+,
(429)+
, (430)4
4,
分数混合运算专项练习430题(有答案)
(1
)+
×
(2)×﹣×
(3)3
(4)
.
﹣(
+)
(5)(6)2﹣÷
﹣
÷8+×
(7)(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)
×19﹣
,
(28)
(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,
1
(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)78×
(63)÷(+
)
(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)÷[(+)÷],÷7×,
(79)
×4
,
(80)
×
﹣×
, (81)
(1﹣×)×,
(82)
﹣
,
(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)×÷×,
分数混合运算---- 2
(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﹣(
, )]
,
(168)3÷+3÷, (169)7+8.9+2+6.1, (170)18×(+﹣), (171)
+
+﹣
+
,
(192)(﹣)÷(193)(﹣(194)×((195)+
,
)×(+), ÷)
(146)0.625×36+×36﹣36, (147)(+
(148)+++++
+)×+
+, +
÷
(172)﹣, (196)÷[1﹣(﹣)] (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,
(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+×,
分数混合运算---- 3
(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,
分数混合运算----
4
(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)×(290)2×﹣
﹣2 .
(313)(314)
÷÷, ×3÷,
(337)0.625×9.6+62.5%×, (338)9+99+999+9999+×4, (339)(
﹣+
)×84+101,
(291)(﹣)÷+, (292)19÷(+), (293)55
÷11, +60%×
+×
(315)(﹣×)÷, (316)(+)×32, (317)×+×, ,(318)
, (340)3.5×1+0.35×10+2×350%, (341)[2+(3.4﹣2)×4.5]÷
(294)0.6×
(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+
×
,
(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)+(﹣)×
,
分数混合运算---- 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)(
﹣)÷,
, ÷7,
),
(384)(3.06÷0.25+2.76)×0.2, (409)((385)[3÷(3﹣2.4×(386)
+﹣,
×=× =
; ;
)]×0.2×
+)÷(11﹣),
,
(410)×××
(361)×+÷(362)7÷
﹣
(411)×+×, (412)÷[(+)×(413)(+
×)÷
], ,
(387)25×(388)×
(363)×÷(﹣
(364)×3.6+5.2×0.5+1.2×50%(389)÷6÷(414)÷+×, (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,
(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)(+)÷
,
分数混合运算----
6
(415)+×
+
,
(416)(﹣)÷, (417)÷(﹣) (418)×[﹣(﹣)]
(419)÷[×(+)] (420)÷
+×
(421)5.58﹣+5.42﹣ (422)999+99+9+. (423)×﹣÷, (424)1﹣÷﹣
,
(425)
÷﹣÷,
(426)(+×)÷,
(427)÷+×
,
(428)×(+)+,
(429)+
, (430)4
4,