北师大版五年级数学去括号练习400道及答案

北师大版五年级数学去括号练习400道及答案

(1)(2.44-23)X2.3(11)(3364-21+55)X15

(2)769-(269+255)(⑵29.96-(16.96-1.⑵

(3)19504-784-44X67(13)667+(48—25)

(4)384.44-(11.6-5.4)(14)24.26-(13.26+9.35)

(5)582-(282+77)(15)12X[(346+28)+22]

(6)[5.6—(0.8+1.5)]X6.6(16)(544-?32+69)X32

(7)|11.96-(4+4)]4-1.1(17)35.55—(13.55—8.02)

(8)(152-52)4-20(18)39X(322+23—14)

(9)(19.3+263.13)+46.3(19)108-(2367—819)+43

(10)24X((856-39)4-43](20)6.274-(2.6-0.7)

笫1页共23页

(21)568-(468+47)(32)(938-263)4-75

(22)0.0544-(0.27X4)(33)(7+93)X41

(23)[16.15-(8.5-2.1)]4-1.3(34)35-(589+223)+28

(24)43.73-(10.73+2.94)(35)[1.4-(2.3-3.8)]X8.1

(25)1176^-(2305-48X47)(36)[3+(8.1-0.2)]X0.4

(26)[0.1-(0.2-4.5)]X4.5(37)4944-(41-22)

(27)[96-(25+12)]X10(38)72X(2.1+1.2)

(28)(25X37-85)4-35(39)37X(794-10144-39)

(29)(7.6-5.2)X50(40)27X(21+702+39)

(30)42.99-(15.99+0.01)(41)[15+(98-54)]X17

(31)40X(2594-37-2)(42)866-(566+282)

第2页共23页

(43)(42-3124-13)XII(54)6454-(423-24X17)

(44)10924-(50-22)(55)23.47-(17.47+5.97)

(45)[52+(63-24)]X19(56)15.71-(7.71+3.81)

(46)(2424-22-2)XII(57)23X(204-514-17)

(47)(9.7-2.5)X3.1(58)[3.96-(2.1-2.1)]-?-3.3

(48)[83-(48+26)]X13(59)24X(64+32+2)

(49)25X25-(75-27)(60)28X(12884-46+7)

(50)40X(4254-17-21)(61)15X(674-12004-50)

(51)(91.24-4.8)-1.8X5.6(62)523-(223-21)

(52)18.44-(2.44-7.43)(63)(84+234+18)X40

(53)25X(575+25-18)(64)45—(34+65)+11

第3页共23页

(65)[1.2-(3.8-4.2)]4-1.6(76)|2+(8.1-0.4)|X2.9

(66)(86-16)X(4604-46)(77)7354-(213-11X18)

(67)140-(754+797)4-47(78)3409—(2.09+8.55)

(68)[51.72—(4.9+7.3)]+5.2(79)(03+8.5)X17

(69)(91-32)*(522+29)(80)49.19-<4.19-6.49)

(70)10124-(27X10-226)(81)1304-(1.3X8)

(71)15-(49+68)4-39(82)[0.5-(2.8-7.1)]X1.5

(72)1426+(856—18X45)(83)[12.38+(6.9-5.2)]4-6.4

(73)27.47-(10.47-1.15)(84)(3.52+1.5574)4-4.79

(74)|7.1-(9.4-8.4)]X1.8(85)869-(569+116)

(75)69.64-(12.1+2.4)(86)[8.6-(l.4+2.7)]X7.8

第4页共23页

(87)[9.3—(0.8+3.5)]+2(98)830—(330+283)

(88)(55-5594-43)X19(99)(1004-20-5)X36

(89)243.14-(16.6+5.5)(100)(3424-38+97)X30

(90)47.17-(19.17+3.02)(101)(1.31+37.138)4-1.44

(91)[15+(87-67)]X44(102)[4.2+(6.2-3.6)]-?-0.8

(92)31X[(487+25)+32](103)[73-(13+30)]X46

(93)[8.7+(5.1-6)]X7.3(104)(7034-37+97)X20

(94)(33X29+3306)+49(105)[6.4—(3.1+1.1)]X1.2

(95)[l.6+(l.9-l.4)]X2.9(106)(3.59+27.162)4-0.62

(96)(3914-17-19)X5(107)5254-(60-45)

(97)886-(586+28)(108)454-(54+10)

第5页共23页

(109)(4.1-3.4)X4.9(120)(2.5+2.2)X5

(110)45.874-(12.4+1.5)(121)[41.7-(6.3-2.2)]4-9.4

(111)11904-(54-19)(122)(9664-42-12)X31

(112)(50X15+1396)4-37(123)31.954-(4.8-0.3)

(113)(17-14.0946)-5-1.99(124)[2.7+(4.8-2.6)]X4.9

(114)[24.72+(1.3—2.9)]+3.4(125)[8.6+(6.7—2.5)]X5.4

(115)23.06-(15.06-4.73)(126)605-(205+149)

(116)(7.74-1.4)X19(127)(3.5+8.1)X34

(117)306-(106-30)(128)35.15-(13.15+2.45)

(118)22X(4804-30+13)(129)|3.2-(2.5-5.3)]4-2.4

(119)(61+468+26)X43(130)[2.4—(3.7—2.9)]X2.8

笫6页共23页

(⑶)[32.38—(1.3+8.2)户4.4(142)(37-18)X(12584-37)

(132)35X47+(94—35)(143)50X(75-8514-37)

(133)56-(344+1306)4-33(144)42X((617+27)4-23]

(134)8X(3004-30+3)(145)[20.954-(3.8-4.6)]4-6.5

(135)(62-20)+8X19(146)4900+(49X4)

(136)(81.6-2)4-8.9X0.5(147)44X(6.7-63)

(137)(2259-894)4-91(148)(163+13)4-44

(138)177+(1320+1290)+87(149)116.85+(11.4+9.1)

(139)(7.5-5.7)X51(150)22X(98+6204-31)

(140)721-(621-122)(151)(303+321)4-78

(141)198+(757+1793)4-85(152)35X(73-12964-48)

第7页共23页

(153)(63-2164-27)X36(164)45X[(524—48)+34]

(154)43X(152+38-4)(165)35X(40+6514-31)

(155)11604-(15+14)(166)[18.88-(4+0.8)]4-2.2

(156)[8.4+(9.7-7.6)]X9.8(167)(49-30)X(16724-44)

(157)[0.5-<5.3-8)]X2.3(168)727-(527-103)

(158)41.22-(8.22-9.42)(169)23X(440+22+20)

(159)[7.38+(3.7-9)]-r0.8(170)(31+2484-31)X37

(160)[73-(97-29)]X42(17i)[58-(27+23)]X20

(161)[11.06+(3.8-6.5)]4-1.9(172)[74-(31+30)]X37

(162)132—(854—152)+26(173)44X(64-2644-12)

(163)105+(598—20)+34(174)634-(334-17)

第8页共23页

(175)|7.1+(5.6-2.8)]4-1.8(186)42.21—(3.21+4.63)

(176)27X(576+32—5)(187)48X26+(78—23)

(177)(85-76)X(2404-48)(188)38X(95—288・32)

(178)131.24-(8.6+7.8)(189)[89-(98-93))X18

(179)[36+(76-14)]X45(190)10X[(124+29)-5-17]

(180)184-(136+44)4-18(191)765-(265-38)

(181)(0.4-0.3)X96(192)34.26—(4.26+8.59)

(182)[8.98+(0.8-1.2)]4-3.9(193)(95+113)4-16

(183)(1.7+778.18)4-29.1(194)5124-(32-16)

(184)20644-(83-40)(195)24X|(l40-44)4-48]

(185)15X(27+6504-26)(196)575-(375-39)

第9页共23页

(197)[35.78+(5.1—1.4)户8.4(208)|4.2-(2.3-2.2)]X5.8

(198)(934-8.8)X6.2(209)70X(54-5.1)

(199)38.74—(16.74+3.44)(210)[0.1+(l.l-0.8)]X2.4

(200)(17X24+24)4-16(211)(6084-38+59)X17

(201)(57-19)+33X7(212)[76.84-<4.94-8.7)]-?-9.3

(202)(40-39)+49X8(213)31X(68+9884-38)

(203)(04+5.1)X8.3(214)184-(1090-349)4-57

(204)(26+8194-39)X35(215)28X(51+7024-26)

(205)34.78-(20.78+8.28)(216)(6.2+4.6)X54

(206)21.03-(10.03-5.07)(217)(330+426)4-54

(207)831-(731-12)(218)[55.36-(5.2-8.4)]4-6.1

第10页共23页

(219)197-(1680+388)4-47(230)738-(238-194)

(220)[6.9—(4.2—0.9)]X6.8(231)(15.3+49.427)+16.9

(221)15X(82+1044-13)(232)(9.2+1.7)X6

(222)48X((329-21)4-22](233)56X(3.2-14)

(223)3999+(50+43)(234)[72-(22-1-34)]X24

(224)33.52—(14.52+7.53)(235)41.55-(16.554-9.33)

(225)160+(365+37)+67(236)(3.83+7.4)+3.5X3.1

(226)50.54-(15.3-5.2)(237)10444-(40+18)

(227)772-(272+276)(238)31.57-<1.57-8.64)

(228)18.9-(3-03)1X2.4(239)16.8-(5.8-8.09)

(229)22X26+1120+32(240)336—(236—132)

第11页共23页

(241)(11.4+4.1)-0.7X5.2(252)440-(240-55)

(242)(19X42—182)+28(253)18.46-(4.46+4.73)

(243)(615+41+29)X22(254)30X(1624-27-6)

(244)[8.1-(7.6-8.6)]X3.1(255)22X(66-724-36)

(245)[9.2-(3.2-8.6)]X0.8(256)(19X25+2098)^-31

(246)46.22-(14.22+7.66)(257)(41-21.5687)4-3.99

(247)647-(247-77)(258)1363+(86—39)

(248)[103.7—(7.8+6.8)]+9.9(259)794-(294+263)

(249)(7+7.4)X1.4(260)19.97-(16.97-9.56)

(250)150+(574+434)+36(261)(26.6+40.477)4-26.1

(251)[6.5-(2.2+1.6)]X9.2(262)26.25-(9.25-7.84)

第12页共23页

(263)(41.7-24.887)4-3.91(274)28X26+(61-30)

(264)(60-2864-26)X7(275)|ll+(56-28)]X17

(265)78-(573-255)4-53(276)(84-82)X(7504-25)

(266)3.1义(7.7—1.3)(277)482-(82+287)

(267)48.03-(3.03+10.38)(278)1.7X(8.84-6.6)

(268)1084-(810-29X27)(279)18.41-(3.41+8.9)

(269)661-(461-109)(280)[9.55—(7.7—0.7)]+0.3

(270)532+(32X22—690)(281)(99-89)X(13024-31)

(271)(22X50+777)4-19(282)5X(7504-50+6)

(272)(04+8.8)X2.7(283)64+(1206—183)+93

(273)(85-1244-31)X31(284)[37-(100-98))X26

第13页共23页

(285)19X[(1359-25)4-46](296)9.7X(4.8-23)

(286)37X(9.9+5.1)(297)34-(11.6-8.6)

(287)1.6X(9.54-73)(298)(26.7+99.732)4-43.9

(288)[7+(6.2-9.8)]X3(299)5104-(1381-44X31)

(289)692-(292+0)(300)(36X26+352)+23

(290)36X((137-26)4-37](301)19274-(887-18X47)

(291)(44.5+76.765)4-30.7(302)873-(473-27)

(292)[29.4—(0.5+41)]+3.1(303)15+(984-408)4-16

(293)53X(5.5+8)(304)150+(7450—3677)+77

(294)(18X27—416)+35(305)(300-129)4-57

(295)(39—798+38)X44(306)(4.9-2.1)X6

第14页共23页

(307)31.22—(17.22+4.32)(318)4414-(19X34-625)

(308)[56—(47—20)]X36(319)489-(289-100)

(309)25+9X18+18(320)736+(33X26—812)

(310)16X(71+1404-35)(321)(1789-429)4-85

(311)26.44-(10.44-4.82)(322)45-(882-84)-5-19

(312)0.1X(2.8-2.5)(323)[2.16+(4.2-3.6)]4-6.9

(313)[61.01-(7.4+2.2)]4-5.3(324)(54+66+22)X48

(314)20X((587-29)4-31](325)(1304-462)4-37

(315)30X[(612-37)4-23](326)9.754-(8-6.5)

(316)178+(2096+1210)4-87(327)|12+(1.5-7.5)|4-5

(317)(368+46+62)X45(328)756-(356-108)

第15页共23页

(329)(74-42)X(7134-31)(340)270.4+(1.7+8.7)

(330)826—(426+294)(341)(0.47+2.4812)4-4.76

(331)(73-47)+31X29(342)[65—(24+36)]X18

(332)46X(83-1764-16)(343)(6-5.4)X2.6

(333)770+35X13+63(344)19.8+(16.8+1.2)

(334)[83-(90-58)]X28(345)(95-15)X(10004-20)

(335)18X((966-42)4-42](346)1534-(34X40-1343)

(336)[84.01-(2.1+1.4)]4-8.3(347)298-(198-159)

(337)31X(8994-31-16)(348)[6.1+(9.2-1.8)]X7.9

(338)(50X30—672)+46(349)|6.1+(0.3—4.5)]X1.9

(339)(1.97-0.1468)+1.72(350)[99-(30+34)1X14

第16页共23页

(351)[18.94—(1.1+8.6)户6.6(362)43.25—(17.25—6.13)

(352)27.38—(12.38+7.88)(363)4604-(1619-41X39)

(353)(99-32)+31X47(364)(34-2804-40)X15

(354)612-(312+30)(365)(97.5+3.2)-6.7X0.6

(355)45X((1033+33)-5-41](366)[6.1+(2.8—6.1)]X5

(356)34.81-(10.81-8.04)(367)43.98-(13.98-0.07)

(357)299.22(15.8+1.8)(368)2X(5.1-3.1)

(358)(76+528+33)X39(369)10.66-(3.66+2.31)

(359)35X8+(87-22)(370)(16+1764-22)X14

(360)878-(478-124)(371)545.34-(17.3-4)

(361)(2.43+3.282)+4.2(372)(140+35—3)X6

第0页共23页

(373)648-(148+149)(384)17+(244-79)4-15

(374)(40+80)4-12(385)(9.9+1.7)义8.1

(375)2.7X(6.3-1.7)(386)[7.4-(7.6-4.4)]X2.2

(376)46X(9-1124-28)(387)7.5X(1.14-8.9)

(377)38.41-(10.41-4.54)(388)[88.77-(4.4+5.8)]-S-9.7

(378)(74+5.6)X5.3(389)24X(2.9—04)

(379)847—(547+107)(390)174-(2205-525)4-56

(380)(4.06+5.857)4-4.22(391)23504-(36X32-1105)

(381)30.48-(9.48-5.97)(392)7.1X(9—3.4)

(382)(31-12)+50X10(393)40X(8934-47-4)

(383)10784-(18X36-599)(394)4.3X(9.8+8.6)

第18页共23页

(395)[5.7-(4.9-2)]X2.4(398)4594-(51-24)

(396)26.87-(1.87+7.26)(399)(658—322)+42

(397)41X(3604-36+5)(400)[84-(89-82)]X38

第19页共23页

北师大版五年级数学去括号练习400道答案

(1)10.81(21)53(41)1003(61)1365(81)12.5

⑵245(22)0.05(42)18(62)321(82)7.2

⑶2973(23)7.5(43)198(63)3880(83)2.2

(4)62(24)30.06(44)39(64)36(84)1.06

⑸223(25)24(45)1729(65)1(85)184

(6)21.78(26)19.8(46)99(66)700(86)35.1

⑺3.6(27)590(47)22.32(67)107(87)2.5

⑻5(28)24(48)117(68)7.6(88)798

⑼6.1(29)120(49)577(69)1062(89)11

(10)456(30)26.99(50)160(70)23(90)24.98

(11)1065(31)200(51)85.92(71)12(91)1540

(12)14.12(32)9(52)23.43(72)31(92)496

(13)29(33)668.3(53)125(73)18.15(93)56.94

(14)1.65(34)6(54)43(74)10.98(94)87

(15)204(35)23.49(55)0.03(75)4.8(95)6.09

(16)2752(36)4.36(56)4.19(76)28.13(96)20

(17)30.02(37)26(57)529(77)49(97)272

(18)0(38)237.6(58)1.2(78)23.45(98)217

(19)72(39)3885(59)96(79)149.6(99)0

(20)3.3(40)1053(60)980(80)51.49(100)3180

第20页共23页

(101)26.7(122)341(143)2600(164)630(185)780

(102)8.5(123)7.1(144)1176(165)2135(186)34.37

(103)1380(124)24.01(145)3.1(166)6.4(187)1303

(104)2320(125)69.12(146)25(167)722(188)3268

(105)2.64(126)251(147)17.6(168)303(189)1512

(106)49.6(127)394.4(148)4(169)920(190)90

(107)35(128)19.55(149)5.7(170)1443(191)538

(108)390(129)2.5(150)2596(171)160(192)21.41

(109)3.43(130)4.48(151)8(172)481(193)13

(110)3.3(131)5.2(152)1610(173)1848(194)32

(111)34(132)1704(153)1980(174)317(195)48

(112)58(133)6(154)0(175)5.5(196)239

(113)1.46(134)104(155)40(176)351(197)4.7

(114)6.8(135)194(156)102.9(177)45(198)112.22

(115)12.73(136)84.05(157)7.36(178)8(199)18.56

(116)172.9(137)15(158)42.42(179)4410(200)27

(117)230(138)207(159)2.6(180)174(201)269

(118)638(139)91.8(160)210(181)9.6(202)393

(119)3397(140)222(161)4.4(182)2.2(203)45.65

(120)23.5(141)228(162)105(183)26.8(204)1645

(121)4(142)646(163)122(184)48(205)5.72

第21页共23页

(206)16.07(227)224(248)9(269)309(290)108

(207)112(228)14.88(249)20.16(270)38(291)3.95

(208)23.78(229)607(250)178(271)17(292)8

(209)707(230)694(251)24.84(272)24.84(293)715.5

⑵0)0.96(231)3.83(252)255(273)2511(294)2

(211)1275(232)65.4(253)9.27(274)759(295)792

(212)6.8(233)100.8(254)0(275)663(296)24.25

(213)2914(234)384(255)1408(276)60(297)1

(214)171(235)15.67(256)83(277)113(298)2.88

(215)2184(236)22.08(257)4.87(278)26.18(299)30

(216)58.32(237)18(258)29(279)6.1(300)56

(217)14(238)38.64(259)237(280)8.5(301)47

(218)9.6(239)19.09(260)12.56(281)420(302)427

(219)153(240)232(261)2.57(282)105(303)51

(220)24.48(241)11.86(262)24.84