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人教版初一数学上册400道计算题及练习题

初一数学上册计算题(400道题)(1)()22--= (2)3112⎛⎫⎪⎝⎭-=(3)()91- = (4)()42-- =(5)()20031-= (6)()2332-+-=(7)()33131-⨯--= (8)()2233-÷- =(9))2()3(32-⨯-= (10)22)21(3-÷-=(11)()()3322222+-+-- (12)235(4)0.25(5)(4)8⎛⎫-⨯--⨯-⨯- ⎪⎝⎭(13)()34255414-÷-⎪⎭⎫ ⎝⎛-÷ (14)()⎪⎭⎫ ⎝⎛-÷----721322246(15)()()()33220132-⨯+-÷--- (16) []24)3(2611--⨯--(17)])3(2[)]215.01(1[2--⨯⨯-- (18)(19)()()()33220132-⨯+-÷--- (20)22)2(3---;(21)]2)33()4[()10(222⨯+--+-; (22)])2(2[31)5.01()1(24--⨯⨯---;332222()(3)(3)33÷--+-(23)94)211(42415.0322⨯-----+-; (24)20022003)2()2(-+-;(25))2()3(]2)4[(3)2(223-÷--+-⨯--; (26)200420094)25.0(⨯-.(27)()0252423132.⨯--÷-⎛⎝ ⎫⎭⎪+⎡⎣⎢⎢⎤⎦⎥⎥ (28)()()----⨯-221410222(29)()()()-⨯÷-+-⎛⎝ ⎫⎭⎪⨯-÷-3120313312232325.. (30)()()()-⎛⎝ ⎫⎭⎪⨯-⨯-⨯-212052832.(31) (32)(56)(79)---(33)(3)(9)(8)(5)-⨯---⨯- (34)3515()26÷-+(35)5231591736342--+- (36)()()22431)4(2-+-⨯---(37)411)8()54()4()125.0(25⨯-⨯-⨯-⨯-⨯33182(4)8-÷--(38)如果0)2(12=-++b a ,求20112010()-3ab a b a a ++-()的值(39)已知|1|a +与|4|b -互为相反数,求b a 的值。

(40)2234.0)2.1()211(922÷---⨯ (41)12111110|11101211|-+-(42)5]36)65121197(45[÷⨯+-- (43) )41()35(12575)125(72-⋅-+⨯--⨯(44))32()87()12787431(-+-÷-- (45)4131211-+-(46)()1-⎪⎭⎫ ⎝⎛-÷2131 (47) 22128(2)2⎛⎫-⨯-+÷- ⎪⎝⎭(48)1564358-÷⨯(49))4955.5(1416.34955.61416.3-⨯+⨯(50)100()()222---÷3)2(32-+⎪⎭⎫ ⎝⎛-÷ (51)113(5)77(7)12()3322-⨯+⨯--÷-(52)2012201313(2)(0.5)(6)714-⨯-+-⨯ (53)322012111()()(1)(2)(1)2216⎡⎤--÷--⨯-÷-⎢⎥⎣⎦(54)222121(3)242433⎛⎫⎛⎫-÷⨯-+-⨯- ⎪ ⎪⎝⎭⎝⎭(55))12()4332125(-⨯-+(56)(20)(3)(5)(7)-++---+ (57)3712()()14263-+----(58)1( 6.5)(2)()(5)3-⨯-÷-÷-(59)若7a =,3b =,求a + b 的值. (60)已知│a +1│与│b-2│互为相反数,求a -b 的值.(61) (-12)÷4×(-6)÷2; ;(62) (62)235(4)0.25(5)(4)8⎛⎫-⨯--⨯-⨯- ⎪⎝⎭(63)111311123124244⎛⎫⎛⎫⎛⎫⎛⎫--+----- ⎪ ⎪ ⎪ ⎪⎝⎭⎝⎭⎝⎭⎝⎭;(64) ; (64)222121(3)242433⎛⎫⎛⎫-÷⨯-+-⨯- ⎪ ⎪⎝⎭⎝⎭206137+-+-;(67)532)2(1---+-+;(68)(-5)×(-7)-5×(-6) (69)()25.05832-÷⎪⎭⎫⎝⎛-÷⎪⎭⎫ ⎝⎛-(70)()⎪⎭⎫⎝⎛----+⎪⎭⎫ ⎝⎛-⋅-21221232.(71)222121(3)242433⎛⎫⎛⎫-÷⨯-+-⨯- ⎪ ⎪⎝⎭⎝⎭(72))12()4332125(-⨯-+(73)235(4)0.25(5)(4)8⎛⎫-⨯--⨯-⨯- ⎪⎝⎭(74)111311123124244⎛⎫⎛⎫⎛⎫⎛⎫--+----- ⎪ ⎪ ⎪ ⎪⎝⎭⎝⎭⎝⎭⎝⎭;(75)222121(3)242433⎛⎫⎛⎫-÷⨯-+-⨯- ⎪ ⎪⎝⎭⎝⎭;(76)(-5)×(-8)×0×(-10)×(-15);(77)(-3)×(-4)×(-5)+(-5)×(-7)(78)(-0.1)×(-1)×(-100)-0.•01×(1000). (79)214×(-134)×(-23)×(-87);(80)-12+ 13-14-15)×(-20);(81)(-313)×(-0.12)×(-214)×3313;(82)(79- 56 + 34- 718)×(-36).(83)-56×(12-225-0.6)(84)(+12)×|-23|×214×(-513);(85)(-118)×3(-23)×(-113)(86) )8(12)11(9-⨯-+⨯- (87)(-213)×(-37)= (88)0×(-13.52)= (89)(-1)×a = (90)(-3.25)×(+213)= (91)(-185.8)×(-3645)×0×(-25)= (92))25()7()4(-⨯-⨯-(93) )34(8)53(-⨯⨯- (94))1514348(43--⨯ (95))8(45)201(-⨯⨯-(96)(-37)×0.125×(-213)×(-8);97)53)8()92()4()52(8⨯-+-⨯---⨯(98)(-0.25)×0.5×(-427)×4;(99)(-4)×(-18.36)×2.5;(100)(-29)×(-18)+(-511)×(-3)×215;(101)(-47.65)×2611+(-37.15)×(-2611)+10.5×(-7511).(102)[(-2)×(-4)+(-5)]×[-3-(-2)×(-3)].(103))533()6.0(34521321----+-(104) )31()21()54()32(21+--+---+ (105)1(2)235+-+-- (106)27()1333-+----(107)(-23)+7+(-152)+65 (108)|52+(-31)| (109)(-52)+|―31|(112)38+(-22)+(+62)+(-78) (113)(-8)+(-10)+2+(-1)(114)(-32)+0+(+41)+(-61)+(-21) (115)(-8)+47+18+(-27)(116)(-5)+21+(-95)+29 (117)(-8.25)+8.25+(-0.25)+(-5.75)+(-7.5) (118) 6+(-7)+(9)+2 (119) 72+65+(-105)+(-28) (120)(-23)+|-63|+|-37|+(-77) (121)19+(-195)+47(122)(+18)+(-32)+(-16)+(+26) (122)(-321)-541(123)(-0.8)+(-1.2)+(-0.6)+(-2.4) (124)(-8)+(-321)+2+(-21)+12 (125)553+(-532)+452+(-31) (126)(-6.37)+(-343)+6.37+2.75(127)(-12.5)-(-7.5) (128)(-26)―(-12)―12―18(129)―1―(-21)―(+23) (130)(-20)-(+5)-(-5)-(-12)(131)(-23)―(-59)―(-3.5) (132)|-32|―(-12)―72―(-5)(133)(-41)―(-85)―81 (134)(+103)―(-74)―(-52)―710 (135)(-516)―3―(-3.2)―7 (136)(+71)―(-72)―73 (137)(+6.1)―(-4.3)―(-2.1)―5.1 (138)(-32)―(-143)―(-132)―(+1.75)(139)(-332)―(-2)43―(-132)―(-1.75) (140) -843-597+461-392 (141) -443+61+(-32)―25 (142) 0.5+(-41)-(-2.75)+21(143)(+4.3)-(-4)+(-2.3)-(+4) (144)(-0.5)-(-341)+6.75-521 (145)(-9)×32 (146)(-132)×(-0.26) (147)(-2)×31×(-0.5) (148)31×(-5)+31×(-13) (149)(-4)×(-10)×0.5×(-3)(150)(-83)×34×(-1.8) (151)(-0.25)×(-74)×4×(-7) (152)(-73)×(-54)×(-127) (153)(-8)×4×(-21)×(-0.75)(154)4×(-96)×(-0.25)×481 (155)(74-181+143)×56 (156)(65―43―97)×36 (157)(-36)×(94+65-127) (158)(-43)×(8-34-0.4) (159)(-66)×〔12221-(-31)+(-115)〕 (160)25×43-(-25)×21+25×41 (161)(187+43-65+97)×72(162)31×(2143-72)×(-58)×(-165) (163)18÷(-3) (164)(-24)÷6 (165)(-57)÷(-3) (166)(-53)÷52 (167)(-42)÷(-6)(168)(+215)÷(-73) (169)(-139)÷9 (170)0.25÷(-81)(171)-36÷(-131)÷(-32) (172)(-1)÷(-4)÷74(173)3÷(-76)×(-97) (174)0÷[(-341)×(-7)] (175)-3÷(31-41)(176)(-2476)÷(-6) (177) 2÷(5-18)×181 (178)131÷(-3)×(-31)(179) -87×(-143)÷(-83) (180)(43-87)÷(-65) (181)(29-83+43)÷(-43) (182) -3.5 ×(61-0.5)×73÷21 (183) -172÷(-165)×183×(-7)(184)56×(-31-21)÷45 (185)75÷(-252)-75×125-35÷4 (186)0.8×112+4.8×(-72)-2.2÷73+0.8×119 (187)2÷(-73)×74÷(-571)(188)(-1275420361-+-)×(-15×4) (189)()⨯⨯-73187(-2.4) (190)[1521-(141÷152+321]÷(-181) (191)51×(-5)÷(-51)×5 (192) -(31-211+143-72)÷(-421) (193) -13×32-0.34×72+31×(-13)-75×0.34 (194) 8-(-25)÷(-5) (195)(-13)×(-134)×131×(-671) (196)(-487)-(-521)+(-441)-381 (197)(-16-50+352)÷(-2)(198)(-0.5)-(-341)+6.75-521 (199)178-87.21+43212+532119-12.79 (200)(-6)×(-4)+(-32)÷(-8)-3 (201)-72-(-21)+|-121|(202)(-9)×(-4)+ (-60)÷12 (203) [(-149)-175+218]÷(-421) (204)-|-3|÷10-(-15)×31 (205)-153×(327-165)÷221 (206)(231-321+11817)÷(-161)×(-7) (207)-43×(8-231-0.04)(208)-2×23 ( 209)-22-()31- (210)43-34(211)31--2×()31- (212)()23-÷()24- (213)2-×()22-(214)232-+()34- (215) ()32-×()42-×()52- (216)2-×23-()232⨯-(217)()22-2-+()32-+32 (218)22--3)3(-×()31--()31-(219)()[]221--+()221- (220)0-()23-÷3×()32- (221)22-×()221-÷()38.0- (222)-23×()231--()32-÷()221-(223)()243-×(-32+1) ×0 (224)6+22×()51- (225)-10+8÷()22--4×3 (226)-51-()()[]55.24.0-⨯-(227)()251--(1-0.5)×31 (228)()32-×()232-×()323- (229)4×()23-+6 (230)()1321-×83×()122-×()731-(231) -27+2×()23-+(-6)÷()231- (232)()42-÷(-8)-()321-×(-22)(233)()()[]222345----×(11587÷)×()47- (234)()22--2[()221--3×43]÷51(235)()26-÷9÷()296÷- (236)36×()23121-(237)-{()⎥⎦⎤⎢⎣⎡-÷⎪⎭⎫ ⎝⎛-⨯+--)2(2114.0333} (238)-41+(1-0.5)×31×[2×()23-](239)-4×()[]3671÷-+()[]()33235-÷-- (240)-33-()[]1283--÷+()23-×()32-÷25.01(241)(-5.3)-(+4.8)+(-3.2)-(-2.5); (242)⎪⎭⎫ ⎝⎛-+-⨯⎪⎭⎫ ⎝⎛-3132843(243)-10+8÷(-2)2-3×(-4)-15; (244)-14-(1-0.5)×13×[2-(-3)2]. (245)5244361832411÷⎥⎦⎤⎢⎣⎡⨯⎪⎭⎫ ⎝⎛-+- (246)36727199⨯-(247)x x x 10415-+ (248)222p p p ---(249))3()7(5nnnna a a a -+---- (250)x y yx xy y x 222223-+- (251)222252214.041ab b a ab b a +-- (252)]}68()(6[2{3)-+++----b a c b c a c a(256)152-= (257)2)5(5=--x ; (258) 463-=-x(259)⎪⎩⎪⎨⎧=+=-57502y x x y (260) 359236x y x y -=⎧⎨-+=-⎩ (261) ()()()()31445135x y y x -=-⎧⎪⎨-=+⎪⎩(262)3262317x y x y -=⎧⎨+=⎩ (263)1323334m nm n ⎧+=⎪⎪⎨⎪-=⎪⎩ (264)83206570u v u v ++=⎧⎨++=⎩(265)x x 4923+≥- (266))1(5)32(2+<+x x (267)0)7(319≤+-x (268)31222+≥+x x (269)223125+<-+x x (270)5223-<+x x(271)234->-x (272))1(281)2(3--≥-+y y (273)14321<--<-x(274)2(1)41413x x x x +-<⎧⎪+⎨>-⎪⎩ (275)95)31(27≤-≤-x (276)532(1)314(2)2x x x -≥⎧⎪⎨-<⎪⎩(277)错误!未找到引用源。

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