沪教版小学数学去括号练习300题及答案

沪教版小学数学去括号练习300题及答案

(1)582-(182-56)(11)(2.18+497.32)4-15

⑵306-(106-30)(12)630+(48—34)

(3)1564-(64-38)(13)[8.4-(0.4+3.4)]X5.3

(4)13.14-(7.7-9.6)1X5.8(14)9.7X(234-7.1)

(5)26.25—(9.25—7.84)=(15)[l.l+(9.8-3.2)]X6.4

(6)[43-(7.4-8.7)]X0.3(16)42.9-(7.9-5.19)=

⑺44.06—(4.06+5.33)=(17)77X(7.5+0.6)

(8)(80.5+1.2)-8.3X23(18)[6.4-(9.4-7.2)]4-3

(9)38.28-(11.28+9.85)=(19)(2.15+59.827)4-21.9

(10)1364-(74-40)(20)17504-(13X44-522)

第1页共”页

(21)(79—297+33)X22(32)88X(63-1)

(22)[3.8+(3.8-6.6)]X2.9(33)58-(1082-182)4-60

(23)21X(6004-20+11)(34)153+(1660-760)4-30

(24)46X(70+1384-46)(35)(88-70)X(11284-24)

(25)164-(30+24)1X27(36)(58+29+21)X27

(26)(94-7.5)X14(37)3.1X(1.5+1.3)

(27)812-(312+88)(38)130+(2643+301)+92

(28)118+(1163-575)^-98(39)143+(2060-674)-^99

(29)5X15+(75-20)(40)(77-5124-32)X38

(30)26X(41-7564-42)(41)[3.4—(3.8—6)]+3.5

⑶)20X48+(69—35)(42)28X[(174-31)4-16]

第2页共17页

(43)(2.24-8.4)X25(54)660-(460+70)

(44)39.54—(7.54+10.67)=(55)(9.84-1.9)X38

(45)[35.69-(4.4-1.1)]4-4.1(56)K61-(761-45)

(46)[86.78+(5.2-2.8)]-?9.1(57)[7.9+(0.5-3)]X4.6

(47)(97-20)X(7004-20)(58)478—(278+45)

(48)(26-2524-14)X12(59)9.98+(49.9X8)=

(49)210.244-(17.1+4.8)(60)[39.92+(4.5-7.5)]4-5.2

(50)27.03-(15.03+1.82)一(61)1620+(429-12X32)

(51)(02+2.7)X39(62)[4.7-(1.9-2.7)lX4.2

(52)36+(0.18X8)=(63)44.84—(2.84+9.55)=

(53)(9874-47-11)X32(64)27X(7.94-1.1)

第3页共17页

(65)(1.79+14.1322)4-4.46(76)69.29-r(73+9.6)

(66)40.42—(5.42+8.26)=(77)(8.9+32.671)4-27.9

(67)5X(0.8+6.9)(78)(35X50-1-400)4-25

(68)20794-(15+48)(79)24.66—(8.66+8.97)=

(69)(22+9.7)X75(80)20.85—(11.85+6.31)=

(70)[30.68-(9.2-2.6)]4-5.6(81)28X(8.8-6.4)

(71)894-(394-126)(82)[40.3-(0.8+2.1)]4-5.5

(72)[33.97-(5.3+4.6)]^-8.3(83)[5.3-(4.2+0.3)]X8.5

(73)220.44-(17.9-6.3)(84)43.42-(11.42-0.05)=

(74)[9.38-(8.3-5.4)J4-0.8(85)(50-9884-38)X18

(75)47X(3964-44+2)(86)807-(507-115)

第4页共17页

(87)(83-1164-29)X12(98)[68-(404-12))X39

(88)(34-374+22)X7(99)[16.7+(6.4-4.1)]4-5

(89)[59+(88-12)]X39(100)[8.6—(2.6-5.1)]X1.4

(90)[77.24+(0.6-7)14-7.7(101)32X((475-20)4-351

(91)37+(270+890)+40(102)[4.2—(7.5-8)]X5.6

(92)(756+27+16)X50(103)886—(386+2)

(93)4904-(4.9X8)=(104)27X(12964-48-5)

(94)[7.2-(2.9+1.7)]X2(105)(17X24+24)+16

(95)45X((92-12)4-10](106)[29-(88-83)1X33

(96)41.12-(20.12-6.7)=(107)(86-5924-37)X40

(97)457-(257+154)(108)(16+1184)4-60

第5页共17页

(109)(180+674)4-61(120)(1204-12+26)X49

(110)7X(222+37+6)(121)(93-86)X(6724-32)

(111)2.6X(4.7-0.9)(122)[88-(95-64)]X43

(112)18924-(13X40-476)(123)14854-(944-31X29)

(113)(528-86)4-34(124)(28-2604-26)X48

(114)49X(688+43+9)(125)26.09-(15.09-0.63)=

(115)(8.74-1.7)X36(126)389-(189-37)

(116)19X(64-324+36)(127)779-(679-114)

(117)[6-(2.4-6)]X0.9(128)26+(1528—493)+45

(118)(4.5+8.4)X4.7(129)39X(45-3424-18)

(119)(473・43—2)X39(130)(4654-31-6)X16

第6页共17页

(131)(5404-20-15)X34(142)39X(40+195+13)

(132)18X(66-6164-22)(143)(69-37)X(4684-12)

(133)(40-8104-30)X5(144)774—(474+191)

(134)80X(7.5-l,5)(145)[8.26—(6.3—6.5)]+9.4

(135)332-(232-66)(146)16X[(296-44)4-18]

(136)(80+72+36)X50(147)816-(616+116)

(137)(5.3+05)-3.8X0.4(148)(45+134.33)4-4.54

(138)[0.98-(3.8-8.1)]^-8.8(149)[13.86-(2.34-5.1)]^-1.7

(139)(3.2-23)X62(150)[6.5+(3.3-5)]X0.7

(140)(5.8+1.5)X4.l(151)5.6X(03+6.1)

(141)(1.9+7.8)X63(152)[55-(85-83)]X14

第7页共17页

(153)(15X35+1515)+30(164)528+(62-40)

(154)40X((131-26)^-35](165)[12.08-(3.5+3.9)]4-0.6

(155)22X(10804-40-17)(166)[5.7+(4.4-5.5)]X9.6

(156)(604-15-2)X5(167)(99-1144-19)X32

(157)599-(299-48)(168)[4.6-|-(6.7-7)]X9.5

(158)[47-(78-76)]X17(169)[16.22-(7.3+6.4)]4-3.6

(159)29.47-<7.47-7.94)=(170)20804-(10.4X4)=

(160)[0.4-(0.9-1.4)]X4.9(171)(31.1-9.1235)^-4.83

(161)2320+(36+22)(172)68.48+12.6+8.1)

(162)15X(560+40+4)(173)[10.01+(5—4.3)]+1.7

(163)18.64-(18.6X4)=(174)21X(7694-38+6)

第8页共17页

(175)345—(245+64)(186)14X((331+49)4-20]

(176)24X((-2+40)4-19](187)[105.52—(6.1+6.3)]+9.7

(177)(25X17-355)4-14(1RR)[30.14-(1.2-7.9)]4-6

(178)548—(348—163)(189)[994-<86-24)]X40

(179)(3964-18-15)X28(190)133-(0.2-0.4)]X9.8

(180)12424-(430-32X12)(191)(457+137)4-54

(181)48X26+(78—23)(192)(6.64-2.2)X79

(182)3822+(37+41)(193)(48X40+1780)-^50

(183)(3.94-6.6)X5.1(194)[12.68+(9.3-6.8)]4-4.6

(184)15X40+24+79(195)23X(59-1114-37)

(185)11X(75+10534-39)(196)(1.1+73)X7.6

第9页共17页

(197)(6.9-6.7)X15(208)(4.03+80.1)4-35.8

(198)(2224-37-4)X32(209)652.84-(11.1-0.9)

(199)(33X12+516)4-48(210)(93-8OD4-32)X18

(200)56X(7.8-4.2)(211)616—(316+243)

(201)(53-7204-48)X40(212)14X(2.14-7.5)

(202)8X(36+324+36)(213)20.44—[8.44+4.35)=

(203)(68+136)4-12(214)50X(80-3124-12)

(204)[47.76-<5.8-9.7)]-^-8.2(215)8.6X(9.8+9.1)

(205)17X(435+29+4)(216)575-(475-156)

(206)35.66—(11.66+6.28)=(217)66-(962-260)4-18

(207)12964-(17+31)(218)28X(7-1754-35)

第10页共17页

(219)(86-75)X(6754-15)(230)97X(3.4+9.7)

(220)80^-(712-21X32)(231)(71-22)X(6964-24)

(221)38.43-(11.43+0.36)=(232)36.02-(5.02+10.19)=

(222)46X50-(95-29)(233)(86+58)+48

(223)(504-25-2)X23(234)(12+1164-29)X23

(224)[7.6-(5.4-3.4)]X5.2(235)42.29—[17.29+4.77)=

(225)[17.34-(7.2+7.7)]4-0.4(236)13X(6.1+84)

(226)[3.4+(7.2-0.4)]^-6.8(237)[38.1+(5.5-7)]6

(227)5944-(38X10-358)(238)(97—450+30)X7

(228)674-(174+176)(239)[79-(174-30)]X10

(229)816—(316+293)(240)[14.72—(6.7—4.4)]+5.4

第11页共17页

(241)(92+10564-44)X36(252)266.84-(12.1-2.9)

(242)(9.2+1.7)X6(253)[3-(0.1-3.8)]X1.8

(243)35.58-(6.58-7.72)=(254)636—(336+34)

(244)0.4364-(2.18X8)=(255)[5.7+(7.8-8.3)]X0.6

(245)45X(600+25+2)(256)(2823.7)—3.9X1.8

(246)10X((114+19)4-19](257)350-(150-58)

(247)19384-(10+41)(258)163+(244-75)4-13

(248)443-(343+43)(259)60-(4011-1323)-^64

(249)(44-441+49)X33(260)(77-5064-23)X47

(250)605-(405-143)(261)(26—882+49)X20

(251)33+(924+784)+61(262)49X(66-7544-26)

第12页共17页

(263)(31.3+33.87)+26.6(274)(97-65)X(2164-27)

(264)(3804-19+82)X21(275)4.3X(8.6-2.9)

(265)2X(9-0.3)(276)661-(561-87)

(266)(55+6504-50)X32(277)72一(2031+1299)4-74

(267)[99-(19+49)]X21(278)42.59-(20.59-3.23)=

(268)19.64-(3.4+3.6)(279)(24X46-474)4-30

(269)16X(6.2-24)(280)(9.9+1.4)X6.7

(270)(14X38+494)^-38(281)30.52-(11.52+6.98)-

(271)(83-2534-11)X36(282)[75-(90-44)1X45

(272)(0.174-0.1834)4-0.19(283)4270+(42.7X8)=

(273)(42+630+35)X46(284)720-(320-63)

第13页共17页

(285)32X[(585+23)+32](293)(33-3484-29)X36

(286)11X((832-12)4-41](294)44X(84+168+24)

(287)50X(9364-36-12)(295)80-(3965-1963)4-01

(288)2.7X(4.9+43)(296)(10X50+200)4-20

(289)[86.8-(5.9-0.7)]4-8.5(297)(4-2.1)X0.!

(290)(4.4-4.1)X8(298)125+(1059+2496)+79

(291)15X(19+248+31)(299)14-(15.2-5.2)

(292)3.4+(0.34X4)一(300)(273+21-5)X22

第14页共17页

沪教版小学数学去括号练习300题答案

(1)456(21)1540(41)1.6(61)36(81)67.2

⑵230(22)2.9(42)84(62)23.1(82)6.8

⑶6(23)861(43)265(63)32.45(83)6.8

(4)6.96(24)3358(44)21.33(64)243(84)32.05

(5)24.84(25)270(45)7.9(65)3.57(85)432

(6)1.68(26)231(46)9.8(66)26.74(86)415

⑺34.67(27)412(47)2695(67)38.5(87)948

(8)62.61(28)124(48)96(68)33(88)119

⑼17.15(29)130(49)9.6(69)892.5(89)5265

(10)4(30)598(50)10.18(70)4.3(90)9.2

(11)33.3(31)994(51)113.1(71)626(91)66

(12)45(32)466.4(52)25(72)2.9(92)2200

(13)24.38(33)43(53)320(73)19(93)12.5

(14)91.18(34)183(54)130(74)8.1(94)5.2

(15)49.28(35)846(55)444.6(75)517(95)360

(16)40J9(36)621(56)145(76)4.1(96)27.7

(17)623.7(37)8.68(57)24.84(77)1.49(97)46

(18)1.4(38)162(58)155(78)86(98)624

(19)2.83(39)157(59)0.025(79)7.03(99)3.8

(20)35(40)2318(60)7.1(80)2.69(100)15.54

第15页共17页

(101)416(122)2451(143)1248(164)24(185)1122

(102)26.32(123)33(144)109(165)7.8(186)266

(103)498(124)864(145)0.9(166)44.16(187)9.6

(104)594(125)11.63(146)224(167)2976(188)3.9

(105)27(126)237(147)84(168)40.85(189)6440

(106)792(127)214(148)39.5(169)0.7(190)34.3

(107)2800(128)49(149)3.8(170)50(191)II

(108)20(129)1014(150)3.36(171)4.55(192)695.2

(109)14(130)144(151)35.84(172)6.4(193)74

(110)84(131)408(152)742(173)6.3(194)3.3

(111)9.88(132)684(153)68(174)546(195)1288

(112)43(133)65(154)120(175)36(196)63.84

(113)13(134)480(155)220(176)48(197)3

(114)1225(135)166(156)10(177)5(198)64

(115)374.4(136)4100(157)348(178)363(199)19

(116)1045(137)4.28(158)765(179)196(200)201.6

(117)8.64(138)0.6(159)29.94(180)27(201)1520

(118)60.63(139)55.8(160)4.41(181)1303(202)360

(119)351(140)29.93(161)40(182)49(203)17

(120)1764