新人教版七年级数学上册计算题精编版MQS system office room 【MQS16H-TTMS2A-MQSS8Q8-MQSH16898】七年级数学上册计算题(428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--⨯⨯---;(23)94)211(42415.0322⨯-----+-; (24)20022003)2()2(-+-;(25))2()3(]2)4[(3)2(223-÷--+-⨯--; (26)200420094)25.0(⨯-. (27)()0252423132.⨯--÷-⎛⎝ ⎫⎭⎪+⎡⎣⎢⎢⎤⎦⎥⎥ (28)()()----⨯-221410222332222()(3)(3)33÷--+-(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⨯-⨯-⨯-⨯-⨯(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)()⎪⎭⎫⎝⎛----+⎪⎭⎫ ⎝⎛-⋅-21221232.(72))12()4332125(-⨯-+(73)111311123124244⎛⎫⎛⎫⎛⎫⎛⎫--+----- ⎪ ⎪ ⎪ ⎪⎝⎭⎝⎭⎝⎭⎝⎭;(75)222121(3)242433⎛⎫⎛⎫-÷⨯-+-⨯- ⎪ ⎪⎝⎭⎝⎭;(76)(-5)×(-8)×0×(-10)×(-15); (77)(-3)×(-4)×(-5)+(-5)×(-7) (78)(-)×(-1)×(-100)-0.•01×(1000). (79)214×(-134)×(-23)×(-87);(80)-12 + 13-14-15)×(-20);(81)(-313)×(-)×(-214)×3313;(82)(79- 56 + 34- 718)×(-36).(83)-56×(12-225-)(84)(+12)×|-23|×214×(-513);(85)(-118)×3(-23)×(-113)(86) )8(12)11(9-⨯-+⨯-(87)(-213)×(-37)= (88)0×(-)=(89)(-1)×a =(90)(-)×(+213)= (91)(-)×(-3645)×0×(-25)=(92))25()7()4(-⨯-⨯-(93) )34(8)53(-⨯⨯-(94)(-37)××(-213)×(-8);97)53)8()92()4()52(8⨯-+-⨯---⨯(98)(-)××(-427)×4; (99)(-4)×(-)×; (100)(-29)×(-18)+(-511)×(-3)×215;(101)(-)×2611+(-)×(-2611)+×(-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)(-)++(-)+(-)+(-) (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)(-)+(-)+(-)+(-) (124)(-8)+(-321)+2+(-21)+12(125)553+(-532)+452+(-31) (126)()+(-343)++(127)(--(- (128)(-26)―(-12)―12―18(129)―1―(-21)―(+23) (130)(-20)-(+5)-(-5)-(-12)(131)(-23)―(-59)―(- (132)|-32|―(-12)―72―(-5)(133)(-41)―(-85)―81(134)(+103)―(-74)―(-52)―710(135)(-516)―3―(-)―7 (136)(+71)―(-72)―73(137)(+)―(-)―(-)― (138)(-32)―(-143)―(-132)―(+(139)(-332)―(-2)43―(-132)―(- (140) -843-597+461-392(141) -443+61+(-32)―25 (142) +(-41)-(-)+21(143)(+)-(-4)+(-)-(+4) (144)(-)-(-341)+-521(145)(-9)×32 (146)(-132)×(-) (147)(-2)×31×(-)(148)31×(-5)+31×(-13) (149)(-4)×(-10)××(-3)(150)(-83)×34×(-) (151)(-)×(-74)×4×(-7)(152)(-73)×(-54)×(-127) (153)(-8)×4×(-21)×(-)(154)4×(-96)×(-)×481 (155)(74-181+143)×56(156)(65―43―97)×36 (157)(-36)×(94+65-127)(158)(-43)×(8-34-) (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)÷(-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) - ×(61-)×73÷21 (183) -172÷(-165)×183×(-7)(184)56×(-31-21)÷45 (185)75÷(-252)-75×125-35÷4(186)×112+×(-72)-÷73+×119 (187)2÷(-73)×74÷(-571)(188)(-1275420361-+-)×(-15×4) (189)()⨯⨯-73187(-)(190)[1521-(141÷152+321]÷(-181) (191)51×(-5)÷(-51)×5(192) -(31-211+143-72)÷(-421) (193) -13×32-×72+31×(-13)-75×(194) 8-(-25)÷(-5) (195)(-13)×(-134)×131×(-671)(196)(-487)-(-521)+(-441)-381 (197)(-16-50+352)÷(-2)(198)(-)-(-341)+-521 (199)178-+43212+532119-(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-)(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-)×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-)×31×[2×()23-](239)-4×()[]3671÷-+()[]()33235-÷-- (240)-33-()[]1283--÷+()23-×()32-÷25.01(241)()-(+)+()-(); (242)⎪⎭⎫ ⎝⎛-+-⨯⎪⎭⎫ ⎝⎛-3132843(243)-10+8÷(-2)2-3×(-4)-15; (244)-14-()×13×[2-(-3)2].(245)5244361832411÷⎥⎦⎤⎢⎣⎡⨯⎪⎭⎫ ⎝⎛-+- (246)36727199⨯-(247)x x x 10415-+ (248)222p p p ---(249))3()7(5n n n n a 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(255)(x -2)-2(4x -1)=3(1-x).(256)1524213-+=-x x (257)22)5(54-=--+x x x ; (258) 46333-=+--x x x(259)⎪⎩⎪⎨⎧=+=-57502y x x y (260) 359236x y x y -=⎧⎨-+=-⎩ (261)()()()()31445135x y y x -=-⎧⎪⎨-=+⎪⎩(262)3262317x y x y -=⎧⎨+=⎩ (263) 1323334m n m 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 xx -≥⎧⎪⎨-<⎪⎩(277)144mn mn -; (278)2237(43)2x x x x ⎡⎤----⎣⎦; (279)(2)()xy y y yx ---+ ;(280))522(2)624(22-----a a a a 其中 1-=a .(280))3123()21(22122b a b a a ----- 其中 32,2=-=b a . (281)已知 1232+-=a a A ,2352+-=a a B ,求B A 32-.(282) )22(--a a ; (283))32(3)5(y x y x --+-;(284))(2)(2b a b a a +-++; (285))32(2[)3(1yz x x xy +-+--(286)22222323xy xy y x y x -++-; (287))32(3)23(4)(5b a b a b a -+--+;(288))377()5(322222a b ab b ab a a ---+--(289)2),45()54(3223-=--++-x x x x x 其中(290)43,32),12121()3232(==+----y x xy x y xy 其中 (291)求单式327y x 、322y x -、323y x -、322y x 的和。