小学数学人教版六年级下《分数》混合运算专项练习题

资源下载
  1. 二一教育资源

小学数学人教版六年级下《分数》混合运算专项练习题

资源简介

小学数学《分数》混合运算专项练习400题(含答案)
(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)++×,
÷(+),
(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,
参考答案:
(1)+×
=×+×,
=(+)×,
=1×,
=;
(2)×﹣×
=﹣,
=﹣,
=;
(3)3
=××3,
=12;
(4).
=1.6×,
=3.
(5)﹣(+)
=﹣
=﹣
=1;
(6)2﹣÷﹣
=2﹣(×﹣)
=2﹣()
=2﹣1
=1;
(7)÷8+×
=×+×
=(+)×
=1×
=.
(8)÷+×
=×+,
=,
=;
(9)×+×
=(+)×,
=1×,
=;
(10)12×(75%+)
=12×(+),
=12×+12×,
=9+10,
=19;
(11)20÷÷.
=20××,
=20×(×),
=20×,
=30
(12)﹣﹣+,
=(+)﹣(+),
=2﹣1,
=1;
(13)87×,
=(88﹣1)×,
=7﹣,
=;
(14)÷5+5÷,
=×+5×,
=+9,
=;
(15)÷(﹣×),
=÷(﹣),
=×,
=.
(16)
=+﹣
=1﹣
=;
(17)
=++
=++
=1+
=1;
(18)
=++(﹣)
=1+(﹣)
=1+
=1.
(19)÷(﹣)÷,
=÷(﹣)÷,
=÷÷,
=××3,
=5;
(20)〔+(﹣)〕÷,
=〔+(﹣)〕÷,
=〔+〕÷,
=〔+〕÷,
=÷,
=×,
=
(21)42÷(÷),
=42,
=15;
(22)(﹣)÷,
=,
=;
(23)×+÷3,
=×(),
=×1,
=;
(24)12×(÷),
=12×,
=56;
(25)×7+×7,
=(+)×7,
=1×7,
=7;
(26)9×÷9×,
=1÷9×,
=×,
=
(27)(+)÷,
=÷,
=×,
=;
(28)×19﹣,
=×(19﹣1),
=×18,
=13;
(29)(+)×32,
=×32+×32,
=24+20,
=44;
(30)÷÷,
=××,
=;
(31)×87+12÷,
=×87+12×,
=×(87+12),
=×99,
=27.
(32)48×(),
=48×﹣48×+48×,
=22﹣20+18,
=20;
(33)÷[×()],
=÷[×],
=÷,
=2;
(34)[1﹣()]×,
=[1﹣]×,
=×,
=;
(35),
=24×+56×,
=(24+56)×,
=80×,
=30
(36)
=×+×,
=(+)×,
=1×,
=;
(37)
=1÷,
=;
(38)
=96×,
=21;
(39)
=(86+1)×,
=86×+,
=85+,
=85.
(40)+÷+,
=++,
=+(+),
=+1,
=1;
(41)÷7+×,
=×+×,
=()×,
=×,
=;
(42)2﹣÷﹣,
=2﹣,
=2﹣(),
=2﹣2,
=0;
(43)×(+)+,
=×+×+,
=2+,
=2+(),
=2+2,
=4
(44)×+×,
=×(+),
=;
(45)3﹣﹣,
=3﹣(+),
=3﹣1,
=2;
(46)×+÷5,
=×+×,
=×(+),
=;
(47)(﹣)÷+,
=×2+,
=+,
=1;
(48)+(+)×,
=+×,
=+,
=;
(49)×÷(﹣),
=×÷,
=××,
=.
(50)(﹣)×100,
=×100﹣×100,
=75﹣12,
=63;
(51)×+×,
=×(+),
=×2,
=;
(52)×+÷,
=×+×,
=(+)×,
=1×,
=;
(53)(12×﹣7.3)÷,
=(10﹣7.3),
=2.7×,
=1.2;
(54)÷〔(+)×],
=÷〔×〕,
=×,
=;
(55)(×27﹣)×,
=[(×(27﹣1)]×.
=[26]×,
=18×,
=7
(56)××18×
=(×)×(18×),
=×1,
=;
(57)×13+×27
=(13+27)×,
=40×,
=30;
(58)+×5+×2
=(1+5+2)×,
=8×,
=5;
(59)7×13×(﹣)
=7×13×﹣7×13×,
=104﹣98,
=6;
(60)×40
=×(39+1),
=×39+,
=38+,
=38
(61)÷++
=×++
=++
=1+
=;
(62)×(+)+
=++
=2+
=2+()
=2+
=2+
=;
(63)78×
=(79﹣1)×
=79×﹣1×
=3﹣
=;
(64)÷(+)
=÷()

=
=
(65)×÷,
=××,
=×(×),
=×,
=1;
(66)÷( +),
=÷,
=;
(67)×7+×11,
=×(7+11),
=×18,
=10;
(68),
=[1﹣]÷,
=÷,
=.
(69)(15+)×,
=15×+×,
=2+,
=2;
(70)﹣×,
=(1﹣),
=,
=;
(71)13×+×15,
=×(13+15),
=28,
=6;
(72)87×,
=86×+1×,
=3,
=3;
(73)××32,
=(4)×(8),
=5×1,
=5;
(74)+×,
=,
=3.
(75)×0.25+×,
=×+×,
=()×,
=1×,
=;
(76)25×××,
=(25×)×(×),
=10×,
=1;
(77)3÷﹣×,
=6﹣×,
=6﹣,
=5;
(78)÷[(+)÷],
=÷[÷],
=÷,
=1
(79)÷7×,
=×,
=;
(80)×4,
=30×,
=;
(81)×﹣×,
=0;
(82)(1﹣×)×,
=(1﹣)×,
=;
(83)﹣,
=﹣,
=2,
(84)××,
=
(85)×72﹣×23,
=(72﹣23)×,
=49×,
=35;
(86)×25×40×,
=(40)×(25×),
=22×9,
=198.
(87)﹣(+)
=﹣,
=;
(88)+(+)
=++,
=1+,
=1;
(89)﹣(﹣)
=+﹣,
=1﹣,
=;
(90)1﹣﹣.
=﹣,
=
(91)0.25×19+5×
=×19+5×,
=×(19+5),
=×24,
=6;
(92)×13×30
=×30×13,
=4×13,
=52;
(93)×+×+
=×+×+,
=×(+)+,
=+,
=1;
(94)×7.6+2.4×0.6.
=0.6×7.6+2.4×0.6,
=0.6×(7.6+2.4),
=0.6×10,
=6
(95)(﹣)×36,
=×36,
=20;
(96)×32×,
=×4×8×,
=,
=3×5,
=15.
(97)×﹣×,
=,
=,
=;
(98)3﹣1﹣,
=3﹣(1+),
=3﹣2,
=1;
(99)÷÷,
=×,
=;
(100)[4﹣(﹣)]×,
=[4﹣]×,
=,
=
(101)20×+4×,
=(20+4)×,
=24×,
=14;
(102)÷+4×,
=×4+4×,
=(+)×4,
=1×4,
=4;
(103)23.6×10%+13.6×910%,
=2.36+123.76,
=126.12;
(104)(﹣)××8,
=××8,
=
(105)++,
=+(+),
=+1,
=1;
(106)10﹣﹣,
=10﹣(+),
=10﹣1,
=9;
(107)+﹣+;
=(﹣)+(+),
=+1,
=1;
(108)0.25+++,
=(0.25+0.75)+(+),
=1+1,
=2;
(109)3﹣﹣﹣,
=(3﹣)﹣(+),
=2﹣1,
=1;
(110)15﹣5÷12﹣,
=15﹣(+),
=15﹣1,
=14
(111)15×÷
=15××
=2;
(112)30×(+﹣)
=30×+30×﹣30×
=12+5﹣8
=9;
(113)×+40%×
=×+×
=×(+)
=×1
=;
(114)10﹣(+×2)
=10﹣(+)
=10﹣1
=8;
(115)+×﹣
=+﹣
=;
(116)[(﹣1)÷]×
=[]×
=1×
=1
(117)12×(+),
=12×+12×,
=9+6,
=15;
(118)×÷×,
=÷×,
=×,
=;
(119)1×+÷,
=1+,
=1
(120)(++)÷,
=(++)÷,
=(2+)×7,
=2×7+×7,
=14+2,
=16;
(121)×+×,
=×(+),
=×1,
=;
(122)(2﹣+)×12,
=2×12﹣×12+×12,
=24﹣+10,
=22+10,
=32;
(123)×+×,
=×(+),
=×1,
=;
(124)6×××25,
=(6×)×(25×),
=1×10,
=10;
(125)﹣×+,
=×(1﹣)+,
=×+,
=+,
=
 
(126)16××(9×),
=16××,
=12;
(127)×[﹣()],
=×[],
=×,
=;
(128)6×+3.5,
=6.5×+3.5×,
=(6.5+3.5)×,
=6.
(129)×÷,
=××,
=××,
=×,
=;
(130)+(+)×,
=+×,
=+,
=;
(131)÷7+×,
=×+×,
=(+)×,
=1×,
=.
(132)7﹣,
=7﹣(),
=7﹣1,
=6;
(133)++,
=()+,
=1;
(134)18﹣18×,
=18﹣3,
=15;
(135)+÷,
=+×,
=,
=.
(136)36×( +)
=36×+36×,
=8+21,
=29;
(137)8×(36×125)
=8×125×36,
=1000×36,
=36000;
(138)﹣×+
=﹣+,
=;
(139)〔1﹣(﹣)〕÷
=(1﹣)÷,
=÷,
=2
(140)×+×
=(+)×,
=1×,
=;
(141)87×
=(86+1)×,
=86×+,
=3+,
=3;
(142)×7+3×25%﹣
=×7+3×﹣,
=(7+3﹣1)×,
=10×,
=;
(143)(﹣40%)÷×
=(1.4﹣0.4)××,
=1××,
=.
(144),
=×+×,
=(+)×,
=1×,
=;
(145)[1﹣()],
=[1﹣]×4,
=×4,
=;
(146)0.625×36+×36﹣36,
=(0.625+0.375﹣1)×36,
=0×36,
=0;
(147)(+++)×,
=[(+)+(+)]×,
=[1+1]×,
=2×,
=;
(148)+++++++,
=1﹣+﹣+﹣+﹣+﹣+﹣+﹣+﹣,
=1﹣,
=.
(149)÷28,
=×,
=;
(150)×,
=;
(151)÷,
=×,
=;
(152)16×,
= 
(153)÷[(+)×]
=÷{×}

=3.
(154)36×××42
=(36×)×(×42)
=×12
=30;
(155)(+)÷
=×+×
=2+1
=3;
(156)×+×
=×(+)
=×1
=;
(157)÷÷

=1
=1;
(158)×8÷

=
=;
(159)
=24×+24×+24×
=8+9+14
=31
(160)[1﹣(+)]÷,
=[1﹣]×4,
=×4,
=1;
(161)(﹣)×45,
=×45﹣×45,
=15﹣9,
=6;
(162)÷﹣×,
=××,
=()×,
=1×,
=;
(163)÷7+×,
=××,
=()×,
=×,
=;
(164)×9+,
=7+,
=7;
(165)2﹣÷﹣,
=2﹣×,
=2﹣(+),
=2﹣2,
=0
(166)(+)×24,
=+×24+×24,
=12+8+4,
=24;
(167)100﹣23.75﹣76,
=100﹣(23.75+76.25),
=100﹣100,
=;
(168)3÷+3÷,
=3×+3×,
=3×(),
=,
=;
(169)7+8.9+2+6.1,
=(7+2)+(6.1+8.9),
=10+15,
=25;
(170)18×(+﹣),
=18×+18×﹣18×,
=6+10﹣3,
=13;
(171)+++,
=,
=,
=.
(172)﹣﹣,
=﹣(),
=﹣1,
=;
(173)×[÷(﹣)],
=×[÷],
=×,
=;
(174)48×+3÷7,
=48×,
=(48+1)×,
=49×,
=21. 
(175)﹣(﹣),
=﹣,
=;
(176)+﹣,
=﹣,
=;
(177)﹣(+),
=﹣,
=;
(178)15﹣5÷12﹣,
=15﹣﹣,
=15﹣(+),
=15﹣1,
=14;
(179)﹣+﹣,
=(+)﹣(+),
=1﹣1,
=0;
(180)++,
=.
(181),
=÷,
=;
(182),
=(+)×,
=×+×,
=+1,
=1;
(183),
=(﹣)×24,
=×24﹣×24,
=15﹣10,
=5;
(184),
=×21+×21,
=(+)×21,
=1×21,
=21
(185)12×(+)
=12×+12×
=8+2
=10;   
(186)24×﹣
=﹣
=2;
(187)×÷
=××
=;
(188)86×
=(85+1)×
=85×+1×
=4+
=4;
(189)×+÷7
=×+×
=(+)×

=;   
(190)÷(+)

=.
(191)÷5+×,
=×+×,
=(+)×,
=1×,
=;
(192)(﹣)÷,
=×,
=;
(193)(﹣)×(+),
=×,
=.
(194)×(÷)
=×,
=;
(195)+÷
=+,
=2;
(196)÷[1﹣(﹣)]
=÷[1﹣],
=,
=;
(197)4÷1.25÷8
=4÷(1.25×8),
=4÷10,
=0.4;
(198)×+×
=(+)×,
=1×,
=;
(199)﹣﹣,
=﹣(+),
=﹣,
=﹣,
=;
(200)2﹣﹣,
=2﹣(+),
=2﹣1,
=1;
(201)﹣(﹣),
=﹣+,
=;
(202)+(﹣),
=+,
=
(203)+(+×),
=+(+),
=()+,
=1+,
=1;
(204)÷[×(+)],
=÷[×+×],
=÷[],
=×,
=;
(205)(﹣)÷,
=(﹣)×,
=××,
=,
=;
(206)÷7+×,
=×+×,
=()×,
=×,
=
(207)×÷,
=,
=;
(208)36×(+﹣),
=36×+36×﹣36×,
=24+6﹣27,
=30﹣27,
=3;
(209)×58+42÷8,
=(58+42)×,
=100×,
=12.5;
(210)4﹣﹣,
=4﹣(),
=4﹣1,
=3;
(211)(15﹣14×)×,
=(15﹣8)×,
=7×,
=2;
(212)÷﹣÷,
=,
=
(213)24×(+),
=24×+24×,
=9+18,
=27;
(214)(×)÷,
=(﹣)÷,
=×,
=;
(215)(+)×9×17,
=×9×17+×9×17,
=6+,
=;
(216)÷×,
=××,
=;
(217)3﹣1÷(+×),
=3﹣1÷1,
=2;
(218)1.75×+×+,
=×+×+,
=×(++1),
=×,
=
(219)87×
=(86+1)×
=86×+1×
=3+
=3;
(220)×÷

=;
(221)24×(++)
=24×+24×+24×
=9+4+10
=23;
(222)÷5+×
=×+×
=(+)×
=1×
=;
(223)×0.375÷
=×÷

=;
(224)(﹣)×(+)

=
(225)÷++
=×++,
=++,
=1;
(226)3﹣×﹣
=3﹣﹣,
=3﹣(+),
=3﹣1,
=2;
(227)÷[1÷(﹣)]
=÷[1÷()],
=÷[1÷],
=×,
=; 
(228)÷13+×,
=×+×,
=(+)×,
=1×,
=;
(229)×÷×,
=×××,
=;
(230)6﹣2+1,
=3+1,
=5;
(231)5×32×12.5,
=5×4×8×12.5,
=(5×4)×(8×12.5),
=20×20,
=400
(232)×,
=,
=;
(233)()×(1+),
=()×,
=×,
=;
(234)()×+,
=×,
=,
=;
(235)32﹣17.5﹣2.5,
=40﹣20,
=20;
(236)×55,
=10+15,
=25;
(237)+5××5,
=×(1+5+5),
=×11,
=5
(238)(﹣)×8÷,
=×8×6,
=9;
(239)÷7+×,
=×+×,
=(+)×,
=1×,
=;
(240)120÷[﹣(1﹣)],
=120÷[﹣+1],
=120÷1,
=120;
(241)(﹣)÷,
=(﹣)×
=×﹣×,
=﹣,
=1;
(242)﹣÷×,
=﹣××,
=﹣,
=;
(243)÷[()×],
=÷[×],
=,
=3
(244)(9)×2
=(﹣)×﹣,
=37×(﹣)×﹣,
=37××﹣,
=﹣,
=;
(245)11
=×××,
=×××,
=1;
(246)(3)÷3
=(+﹣﹣)×,
=(+﹣﹣)×,
=×,
=
(247)
=×,
=;
(248)×(﹣)
=×(),
=,
=;
(249)4×[(+)÷6]
=4×[()×],
=4×[×],
=4×,
=1;
(250)×+÷15
=×+×,
=()×,
=1×,
=;
(251)(6﹣×32)+
=(6﹣4)+,
=2+,
=2;
(252)÷﹣÷.
=﹣,
=()×,
=(﹣)×,
=,
=.
(253)12﹣5﹣4,
=12﹣(5+4),
=12﹣10,
=2;
(254)24÷6,
=(24+)÷6,
=24×+×,
=4+,
=4;
(255)1×7÷1×7,
=1÷1×7×7,
=1×7×7,
=49;
(256)()×35,
=×35+×35,
=28+30,
=58;
(257)4×××,
=×××,
=;
(258),
=12.25﹣2.25﹣6,
=10﹣6,
=3.
(259) +×+,
=++,
=+(+),
=1;
(260)26×(﹣)÷,
=26×30×﹣26×30×,
=300﹣104,
=196;
(261)(﹣+)÷,
=(﹣+)×36,
=×36﹣×36+×36,
=16﹣15+24,
=25;
(262)×+×+3÷19,
=++,
=+,
=+,
=,
=1
(263)÷+×,
=+,
=;
(264)(﹣+)×24,
=×24﹣×24+×24,
=20﹣6+10,
=24;
(265)×+1.25×+125%,
=×1.25+1.25×+1.25,
=(++1)×1.25,
=2×1.25,
=2.5;
(266)20÷[1﹣(+)],
=20÷[1﹣],
=20÷,
=48;
(267)[2﹣(﹣1.5)÷]×,
=[2﹣(﹣)×]×,
=[2﹣×]×,
=[2﹣]×,
=×,
=12;
(268)540÷12×9+482
=45×9+482,
=405+482,
=887
(270)(),
=,
=;
(271)75%×2.5,
=2.5,
=;
(272),
=,
=;
(273)2÷(2.2+0.2)6.9,
=2÷2.46.9,
=1+4.6,
=5.6;
(274)0.5,
=(0.5+)×,
=1×,
=
(275),
=×(5×),
=×,
=;
(276),
=×(+),
=×1,
=;
(277),
=×12+×12+×12,
=6+4+2,
=12
(278)()×24,
=×24+×24﹣×24,
=8+6﹣1,
=13;
(279)3﹣÷﹣,
=3﹣﹣,
=3﹣(+),
=3﹣1,
=2;
(280)×+÷7,
=×+×,
=(+)×,
=1×,
=;
(281)19÷[(+)×],
=19÷[×],
=19÷,
=24
(282)[7.8+×(2.75+1.25)],
=[7.8+×4],
=[7.8+1],
=8.8,
=1;
(283)[()÷],
=[÷],
=,
=.
(284)÷×,
=××,
=;
(285)(7.5+35×)÷,
=(7.5+35×)×,
=7.5×+35××,
=7+7,
=14;
(286)×6.3﹣×4.9,
=×(6.3﹣4.9),
=×1.4,
=0.8;
(287)[+(﹣)]÷40%,
=[+﹣]÷,
=×,
=
(288)12+×
=12+×,
=12+,
=13;
(289)(2.9+3.1)×﹣2
=6×﹣2,
=20﹣2,
=17;
(290)2×﹣.
=2×﹣×,
=(﹣)×,
=×,
=.
(291)(﹣)÷+,
=÷+,
=+,
=;
(292)19÷(+),
=19÷,
=12;
(293)55÷11,
=(55+)×,
=55×+×,
=5+,
=5;
(294)0.6×+60%×+×,
=0.6×(++),
=0.6×1,
=0.6;
(295)(+﹣)×24,
=×24+×24﹣×24,
=8+3﹣4,
=11﹣4,
=7;
(296)5×(+)﹣,
=5×+5×﹣,
=+﹣,
=﹣,
=
(297)﹣(),
=﹣+,
=+,
=;
(298)++,
=(+)+,
=1+,
=1;
(299)﹣+,
=﹣,
=;
(300)1﹣﹣=;
(301)﹣﹣,
=﹣﹣,
=;
(302)+(﹣),
=+,
=﹣+,
=
(303)1﹣,
=﹣,
=;
(304)(),
=﹣﹣,
=,
=﹣,
=,
=;
(305)4÷÷,
=4×,
=;
(306)2,
=,
=;
(307)98÷(),
=98÷(),
=98÷,
=98×,
=420;
(308)24+24×,
=24×(),
=24×1,
=24
(309)(+)×48,
=×48+×48,
=40+18,
=58;
(310)12÷25,
=×,
=;
(311)÷,
=×(78﹣1),
=×78﹣×1,
=59﹣,
=58;
(312)÷23+×,
=×+×,
=(+)×,
=1×,
=;
(313)÷÷,
=÷(×),
=÷1,
=;
(314)×3÷,
=×3×,
=××3,
=4×3,
=12;
(315)(﹣×)÷,
=(﹣)×,
=×﹣×,
=﹣,
=;
(316)(+)×32,
=×32+×32,
=24+20,
=44;
(317)×+×,
=×(+),
=×1,
=;
(318),
=×,
=;
(319)88×(+),
=88×+88×,
=33+2,
=35;
(320)××16,
=×(×16),
=×2,
=;
(321)+×,
=+,
=;
(322)44﹣72×,
=44﹣30,
=14;
(323),
=×(14+1),
=×15,
=14
(324)×16×,
=20×,
=;
(325)÷12÷,
=××,
=×,
=;
(326)÷[(﹣)×24],
=÷[×24﹣×24],
=÷[20﹣9],
=÷11,
=;
(327)×+÷,
=×+×,
=(+)×,
=1×,
=;
(328)++×,
=++,
=+(+),
=+2,
=3;
(329)÷(+),
=÷,
=
(330),
=××,
=;
(331)(25+)×4,
=25×4+×4,
=100+,
=102;
(332)(15﹣14×)÷,
=(15﹣8),
=7,
=7×,
=18;
(333)()×8÷,
=(×8﹣25%×8)÷×,
=(3﹣2)÷×,
=1××,
=3
(334)+1÷(﹣),
=+1÷(﹣),
=+1÷,
=+1×,
=;
(335)(+﹣)×24,
=×24+×24﹣×24,
=20+16﹣18,
=18;
(336)+(﹣)×,
=+(﹣)×,
=+×,
=+,
=+,
=;
(337)0.625×9.6+62.5%×,
=0.625×9.6+0.625×0.4,
=(9.6+0.4)×0.625,
=10×0.625,
=6.25
(338)9+99+999+9999+×4,
=9+99+999+9999+×5,
=(10﹣1)+(100﹣1)+(1000﹣1)+(10000﹣1)+4,
=10+100+1000+10000﹣4+4,
=11110;
(339)(﹣+)×84+101,
=84﹣×84+×84+101,
=66﹣60+15+101,
=122;
(340)3.5×1+0.35×10+2×350%,
=3.5×1+3.5+2×3.5,
=3.5×(++1),
=3.5×5,
=17.5;
(341)[2+(3.4﹣2)×4.5]÷1,
=[2+(3﹣2)×4]÷1,
=[+(﹣)×]÷1,
=[+]÷,
=[2+]×,
=6×,
=4. 
(342)
=﹣0.4+﹣0.6,
=(+)﹣(0.4+0.6),
=1﹣1,
=0;
(343)
=78﹣(4.5+45.5+22),
=78﹣72,
=6;
(344)
=2﹣(﹣)×,
=2﹣×,
=2﹣,
=;
(345)
=×0.25+0.25×﹣0.25,
=(+﹣1)×0.25,
=0×0.25,
=0;
(346)6﹣×﹣
=6﹣﹣,
=6﹣(+),
=6﹣1,
=5;
(347)〔1﹣(﹣)〕÷
=[1﹣(﹣))]×,
=[1﹣]×,
=,
=;
(348)
=﹣×﹣,
=﹣﹣;
=(+),
=﹣1,
=;
(349)
=×+×,
=(+)×,
=1×,
=;
(350)5+3.6×2.5÷0.48
=5+9×0.4×2.5÷0.48,
=5+9×(0.4×2.5)÷0.48,
=5+9×1÷0.48,
=5+18.75,
=23.75;
(351)
=22﹣﹣,
=22﹣(+),
=22﹣1,
=21;
(352)
=299÷299,
=299×
=299×
=;
(353)
=[﹣﹣]×,
=[1﹣]×,
=,
=;
(354)3.6×2÷16.9÷(3×1.1 6)×1.3
=3.6×2.32÷16.9÷3.6÷1.16×1.3,
=(3.6÷3.6)×(2.32÷1.16)×1.3÷16.9,
=1×2×1.3÷16.9,
=2.6÷16.9,
=;
(355)+++…+
=()+(﹣)+(﹣)+…+(﹣),
=1﹣+﹣+﹣…+﹣,
=1﹣,
=.
(356)÷×,
=×,
=;
(357)(﹣+)×12,
=×12﹣×12+×12,
=4﹣3+2,
=3;
(358)7×÷7×,
=1÷7×,
=×,
=;
(359)1.5×﹣×,
=(﹣)×,
=×,
=;
(360)(﹣)÷,
=×,
=;
(361)×+÷,
=×+×,
=×(+),
=×,
=
(362)7÷﹣÷7,
=7×﹣×,
=﹣,
=;
(363)×÷(﹣),
=×÷,
=×3×,
=1×,
=;
(364)×3.6+5.2×0.5+1.2×50%,
=0.5×3.6+5.2×0.5+1.2×0.5,
=0.5×(3.6+5.2+1.2),
=0.5×10,
=5;
(365)[﹣(+)]÷,
=[﹣]÷,
=÷,
=;
(366)11.32﹣(7+1.32),
=11.32﹣1.32﹣7,
=10﹣7,
=2;
(367)89×,
=(88+1)×,
=88×+1×,
=87+,
=87
(368)÷÷,
=÷,
=;
(369)÷4×,
=×,
=;
(370)÷+×,
=×+×,
=(+)×,
=1×,
=;
(371)÷[﹣(﹣)],
=÷[﹣+],
=÷[0+],
=÷,
=;
(372)×(+)÷,
=×÷,
=,
=;
(373)[﹣(+)]÷,
=[﹣]÷,
=,
=
(374)(﹣+)×42,
=×42﹣×42+×42,
=24﹣8+12,
=16+12,
=28;
(375)0.42×1+3,
=0.6+3,
=3.725;
(376)1÷3.6×,
=1××,
=;
(377)15×7+3÷,
=15×7+3×7,
=(15+3)×7,
=19×7,
=133;
(378)3﹣×3.6,
=3﹣0.9,
=;
(379)×1÷3,
=××,
=
(380)0.44+++0.6,
=0.44+0.4+0.56+0.6,
=(0.44+0.56)+(0.4+0.6),
=1+1,
=2;
(381)+2×2﹣2÷,
=+﹣3,
=5﹣3,
=2;
(382)(4﹣2)÷(1+2.4),
=2÷3,
=×,
=;
(383)48200﹣156×720÷39,
=48200﹣112320÷39,
=48200﹣2880,
=45320;
(384)(3.06÷0.25+2.76)×0.2,
=(12.24+2.76)×0.2,
=15×0.2,
=3;
(385)[3÷(3﹣2.4×)]×0.2,
=[3÷(3﹣)]×0.2,
=[3÷]×0.2,
=×,
=
(386) +﹣,
=+﹣,
=;
(387)25××=;
(388)××=;
(389)÷6÷
=××15,
=;
(390)×÷,
=××,
=;
(391)15÷×,
=15××,
=
(392)﹣+,
=+,
=;
(393)+﹣,
=+(﹣),
=+,
=;
(394)﹣(+),
=﹣,
=;
(395)+++,
=(+)+(+),
=1+1,
=2
(396)×÷×,
=()×(),
=1×,
=1;
(397)×13﹣,
=×(13﹣1),
=12,
=10;
(398)÷〔×(1﹣)〕,
=÷〔×〕,
=÷,
=2;
(399)÷+×,
=()×,
=1×,
=;
(400)﹣﹣,
=﹣(+),
=1,
=;
(401)﹣÷,
=,
=.
(402)÷÷,
=×15,
=8;
(403)(+)×,
=()×,
=×,
=;
(404)13.2÷(3.2×3﹣0.8),
=13.2÷(9.6﹣0.8),
=13.2÷8.8,
=1.5;
(405)÷[(﹣)×12],
=÷[×12],
=÷,
=×,
=
(406)×45+÷,
=×45+×45,
=(+)×45,
=1×45,
=45;
(407)﹣×,
=﹣,
=;
(408)(+)÷,
=(+)×56,
=×56+×56,
=21+16,
=37
(409)(×+)÷(11﹣),
=(+)÷(11﹣),
=÷,
=
(410)×××,
=(×)×(×),
=,
=;
(411)×+×,
=×(+),
=×1,
=;
(412)÷[(+)×],
=÷[×],
=÷,
=3;
(413)(+×)÷,
=(+)÷,
=×,
=.
(414)÷+×,
=×+×,
=(+)×,
=1×,
=;
(415)+×+,
=++,
=+,
=;
(416)(﹣)÷,
=,
=
(417)÷(﹣)
=÷,
=;
(418)×[﹣(﹣)]
=×[+﹣],
=×[1﹣],
=×,
=;
(419)÷[×(+)]
=÷[×],
=×15,
=9;
(420)÷+×
=×+×,
=(+)×,
=1×,
=;
(421)5.58﹣+5.42﹣
=(5.58+5.42)﹣(+),
=11﹣1,
=10;
(422)999+99+9+.
=1000+100+10+﹣﹣﹣,
=1110+(﹣3),
=1110+(﹣).
=1110+0,
=1110
(423)×﹣÷,
=×﹣×,
=(﹣)×,
=2×,
=;
(424)1﹣÷﹣,
=1﹣﹣,
=1﹣(+),
=1﹣1,
=0;
(425)÷﹣÷,
=(﹣)÷,
=1÷
=;
(426)(+×)÷,
=(+)÷,
=÷,
=.
(427)÷+×,
=×+,
=()×,
=;
(428)×(+)+,
=×++,
=,
=,
=;
(429)+,
=,
=()×,
=;
(430)44,
=4×﹣,
=5﹣,
=.

展开更多......

收起↑

资源预览