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六 分数混合运算专项练习 430 题
(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)4 4,