初中数学七年级有理数计算题集

1、9nn ( _ ilIBB an* n_ii3 21 一4 7 Xi一 0籃 -3XI O34X + IX(l13)lHXO34J J J / X J23)X234工 x(乩-2(Qu)/53 42+(17)x7+(157)hlx(l5) + (IHx5一3(I一6150+3)*(12)一 4(0.5) (|3一) + 675|5一一 5 17887.21 + 432 + 531112.7921 2116(-) X (-4) + (32)+(8) 132 、 厂-二 7(空丄一一"(i9)x(4)+ (-60T121（-2）一上+亘“（一丄）147 21427十3|十10-(-15比

2、_已(2丄)+ 2丄532 162-|x(8-2|-0.04)Dx©)5(-1尸 -(l-0.5)x*|一5 - 7|+|-5 _ (-7)|+卜243)+(246)|('27n)+9'(l+rrn)x(24)29.30.31.32.33.34.35.36.37.271110+ (丄)心)V 115(（n3- +一31 4丿< 8丿(+0.125)+(1 岭)+(_0.25)211x(-455)+365x455 - 211x545+545x365叫（&99一（朋+护121i(1)"一(扌一彳)珂一-2-(-3)2_ £-0.5Z 3o

3、o138 6 12-117x32曲）2342x(亍)+(肓)+( 一025)7511卩0（計訂肓）x（_3QH（_5）19.20.21.22.23.24.25.26.27.28.738.39.40.41.42.43.44.45.46.47.48.（译）七訴（一即G）49. (-2)3 _3X(4)2 +2-(_3)2 -(一2)50. -2? *(-4)x(7+ 5)彳（3、孑、z3 1、/ 5、 （七）斗（计q+mr3x(-2)3-4x(-3)2+851. (1)%22+(-2)：2(-1),0x22+(-2)34-252. 8 2»(4)x(7 + 5)53.-22 -(-2)2

4、 -23 +|(-2)3-2|-14-1x2-(-3)2054. -l-2-(l-0.5x43)(IO)?+(-4)2 _(3 + ")x255. _ 2 X (+3)孕 3 + (+22 )壬 3 一 2 x 5 3522 3(_l/_(l_0.5)xlx2-(-2)256. 9+5x(-3)-(-2)24-4(-2)嗣 +(-2)200257. (5)3 x 2-(-6)300 手 5(-0.25 严 X420042 2 158. l-x(l-)l-0.52 +丄_ _2?丄尸 /4I 2丿 959. 12-4x(3-10)-42x(-3)34x(_3)+15-14-|x2-(-

5、3)23+508(70.72. 16 一 (-2)(-£)x(Y)o60.61.62.63.64.65.66.67.68.69.73.(一 丄一 $+(- 丄)+(-2)2 x (-14)374. 3_5 + (l_02x；) + (_2)12 + 23+ ' +99xl001+|-1-32x2|_8_3x(_1)3_(-4)477. 12_4x(3- 10)卜(4_9)78. -5 + (-2)4-2G(-2y79. 24+16+(-2尸+(-10)(5 + 3 冷 2(-2)+(-疔90.亠旳94一（一2）'33 壬（IF91.-l-|x12-(-3)2-33x(

6、_|)2-2392. (-7)x(-5)-90*(-15)1 ?一9 *3 + ()x12 + 322 393.2 342x(-±) + (-)+(-0.25)3 4A)x(_34)-Ax17x(_6)94.95.(-370)x,0.25x24.5-(-525%(-2)2x(-1)3-3x-1-(-2)23-32-(-4)x(-9)x046（ 一尹98.-8-3x(-D3-(-1)480.81.82.83.84.85.86.87.88.89.( 1 (3-8 + 1 0.0413丿1 4丿99.10&100. (-8)x(-8弓+ (-7)x(8弓-15x8弓109(2006

7、"硕皿(弓中£x(-24)101 (-4)x5x(-0.25)x(-8)113.1 7 ) x 2 12丿7105. -3.2 x7106. 49-x (-4)107.-xf-75-5 I6 J13117.2)42、7>128. (-6)x(3)1 4118. (81) + 2x15)129.(-辛)-(-3.25)119. (-10)4-(-8)x(-4)130.-13.5 x (-0.7)4-(-51)120. (-1)冷x(_7)(1 1 2(6 7 + 3jA 42丿I3L132.1-r4122.133.一2”用心）123.（吗H堆卜（一舒（一3舊134.+1

8、7347哄 4x(-X 一6 20 5 12135.2125. -x126. -(-8)2x(-l)5-111-5-0.5-1-211+0.5- +10* 卜 0.53丿n i一 x 1 1X + X7 3 I 5丿 712丿4 (2)3 X (ok) (2)2 + 2 小 x (小)2 a 3 5144(7)2 +(30) X 3+ 32513 4145 86+86x35.2I8.6X42一 52T3+)xl+)x】53( 81127 + 63 18)*(19)155 IXX【17 +136 L8l(IL8 +【)-39 0.5x221(13)2.XB-47199 丁 272岳(i)7x(1

9、.5)6149. (I-)20-0 x320二3150 (7)m +14x7MOI(A9)x(7)2§1 4156-血.一81令2汁-16）肓1 2157.-右+ (-0.8)166. ( + 0.1)+( + 8-> + 11- + |-4.4|159 15 + (-18) + 08 + (-09)168. 19 看+(一2° 吉)+ (一302.5) +(一 151 善)+(-119看+(一197扌14c8_ 8-9+-362525167.(-36.32)+35- +9155ii(7 A】69(-3 才+1+2 而)+ (+5.175)+3 刹+ 6.325531

10、2170."(+3亠(-3£)-(+丐)ooo5172.2(2144l73,H+32 斗55555 54351162. 0.7x 1 +x(15)+ 0.7x + x(15)174-32r5r112183. -3.8x2.4x799.6x( )x(3 -3x9)x88亍184. -8-一3.6-H)2)xH>.4)x(-1)12175-（堤W列）-（嗚）-（-5|）+（一1护5看I185. 3x 52-6 + (-8)2-2x(-2)3xl4186. 5.72( + 15.8)177. (一65)x(-g)o187. -047-(-3=)17&(-2)x(-1

11、 丄)x(-纟)4 T 9188. (-3*)-(+5179. -x0.25x (-4)x96180.（一沪吗）190. -32x2+(-2)3x3-48+(-2) + (-2)4 192.(一三)叫一3)x(-)x(2)O52) + H2x(-4).5)3x(-11)242i181. (一3卫+(-1 亍)+ (-1 忆)182.(4)x(-|)x(-11)xh1)xH1)203. (-5)3x(-)2193.194.195.196.197.198.199.200.201.202.11204. 5x3)-(-4丫+©)205.206.(-|)x(-4)2-0.25x(-5)x(-4

12、)3-(3)2x2207.(-1.5)+ 4+ 2.75+ (-5|)20&-8x(-5)-634-5x($25(-7)+ (-7)-(-4.9)-0.6、o210. (-16-50 + 3-)4-(-2)5211. (-6)x8-(-2)3-(-4)2x52HO)2212.213. -l,997 -(l-0.5)xl3223.(一丄),3x38x(-2),2x(-1)72332214. -x-32x(-)2-223224. -72 + 2 x (3)2 + (-6) 4- (-1)232215. C-)2+(-r DxO225.(-2)4 一(一8)-(一$ x(-2)216. -l

13、4-(1-0.5)xlx2-(-3)2226. 8 _ 23+(-4)3丄8217. (-81)-i-(+2.25)x(-)-rl6227. 100-r(-2)2-(-2)218. 52-4 + (l-0.2x|)-r (-2)J228. (-3)2 于(-4)2219. (-5)x(-3号)+(-7)x(-3)+12x(-31)229.(-丄)2一(_0.8)2220. (-) x (-4)2 - 0.25 x (-5) x (-4)38c12221. (一3)2_(号)3彳_6壬3 2231.(-)2x(- + 1)x06 + W)一10 + 8一(一2)2-4><3242.。

14、吨吗七）5 20 + 4"P7232.233.234.235.236.237.23&239.240.241.243. l|x 3x(-)2-1 -lx(-2)2-(-4.5+3)233I（乂 4）x（_2.5）3 417244. (-x (-亍)口 (丐)x (-一竽 + 卜2245.(一14) + 26+(-14) + (-16) + 8芋十（-扣|吟卜G）T6卜（一1屮(-5.5)+(-3.2) - (-2.5) -4.8246. 一20+( 15)(一28) 17(-8) x (-25) x (-0.02)247. 65 + 23-15 + 7丄丄芒_?)x(_72)2

15、 9 6 12，>24&249. (一554) + (32)(一25)-48250. 9 + 5x(-3)-(2)2*4”(-4)2x(-*)251. (-1)3(-5"(-3)2+2x(5)_，+(_2)2x(_l) - (_2)4+(-2)；(-5)'x 2-(“)-300*5262. 1004-(-2/-(-2)4-(-|) + (-2)3252.253.254.255.256.257.25&259.260.261.3264. 5° (2)3 + (1 0.8x ) -r4-13i-3 xg- (-5)2 x(-1)-240-(-4)x

16、1 -2265. (-i)3 - ($ 0(-1)-書 x(-2)-s-(-l)2l)1°2 2 16丄丿+ d_L“15x4)6 20512266.弓+牛(-2)x(一令263. 72 + 2x(3)，+ (-6)十(-*)3412 一 (-Rx 尹(_5帀267. (一4?)一(_5丄)+ (-4丄)一3丄8248(-55)x32 + 45x6.826&(一0.5)一(吗)+ 6.75 闰2238 x (- 彳)- ()x (一 ) + (-8) x :269.(-6)x(Y) + (32)心)一3(-13)x(-134)xlx(-)270.(-5 扣(-16)于(-2)

17、(5)242(3)卞(尹订)x(-7)“271.(一2)。一 (-8)-(-X (-22)272. -I2弓+ (-12)一6282. -234-(-1)2-(-|)3x(-23)273.71x(11-11,31)x(-213283.匕刈二尸心沪彳274.5、_ x (-4)2-0.25 x(-5) x (7)3284. 3岭2冷+ 4討略275. -1-161-21x(-4)斗 1-(285.(卜涉24-(一3-3)口(一603)2276. (一9心)+ (-60)壬 12286. 3 + 22 x(-)5277. 0-(-3)口 3x(-2)'287. -72 +2x(-3)2+(

18、-6)-s-(-|)2278. -22x(-1)2-(-0.8)325288. (-3)2 x- - + (-)516289. 8 + (-3)'(-2)2290. 100*(2)2(一2)十(一亍)281 (一2 广一(一3)' X ( 1)' (3)'292. _(_3)'x2_(_3)、4302. -(-3)3 -3 + 0.4 x (-11) 4- (-2)293. - + (-) + 纟十(一丄)十(一丄)2 、352丿、3303. -l4+(l-0.5)xlx2x(-3)23294. (-1.5)+ 4+ 2.75 + (-5)304. -4

19、 x (1 _ 7) w 6' + (5)，_ 3+(_2)i 2295. (-1)200&十(24)x(&十2了 2.75)o 3305. 3, - 2 (2)3 -1 + (3)2 x (一2)、士 £296. (-1),0x2 + (-2)34-4306. 9.53-8-(2-1-11.64 + 1.53-1361)297. (-10)4 +M)2-(3 + 32)x2307. 73.17-(812.03-|219.83+518|)29& _2*+#x(扌)，308. -U+|12-(39-8)|309. -9-|5-(9-45)|299.25口

20、(一05)3+(丄一丄)x(-1)"8 2310. -5.6 + 4.7-1-3.8-3.81300. (2)48) ' x (-22)12135311. 21- + (-36-) + (-16-) + (-45y) + (+10y)30 】 (-5)2 _ 4? - (J)： x (共春)x (-7)4O 1 152312.佥 x(一訴(_2Rx(七)(一 g) x 83 + (- !) x (-13) - (一x 28 6 6 62U旧+22011 1+1x3 3x51997x19994-5x($25(-：) + (-：)-(-49)-06o2(-10)2 4-5x(-)

21、(-5)3x(-|)25x(-6)(-4)2 手(-8)2卜（令护2(一16-50 + 3-) + (-2)5323. (_6)x8_(-2)3_(-4)2x5324.325.326.327.(-j)x(-4)2-0.25x(-5)x(-4)90（-卯七）七-6一亍(一丄卄丄x(2_ Z-2)223332328. -x-32x(-)2-232329- ()2+(-r,)x0330. -l4-(l-O.5)xlx2-(-3)23331. -52 - -4 + (1-0.2x1)-(-2)332. (-5) x (-3 号)+ (-7) X (_3 号)+12 x (-3 号)313.314.31

22、5.316.317.318.319.320.321.322.343.一22-(-2)2_2'-(-2333.334.335.336.337.338.339.340.341.342.344.+ 3x-4.03712 + 7.53712-36x(2- + )9 6181 2 -3° x (- r - 0.8 (-2 )345.|-22 -(-2尸卜|(-3)(-3)牛*一|4一9|十72|346.丄、(-3)x(-4)-5x-8-2x(-)-4347.(-1 5) +xl-2_8手(_2)3_4十(_1)34&(一1155) *(-ll)x 3x(5)><(一

23、1)购+| 1三 + 2上一3.75 x24349.1Y2；（-1）3(2 Y一3-4x3-5.3< 5丿l-0.2x1 3丄鼻圧上113411350. -32 -(一3)2 +(5)2 x(-£ (-0.3)2 十卜0.9|3435L1r3x352.(7.1957訴(025-卜护 13)362.-(T4)x(-25)353. -14-x(-02)x 1 扌十 14x(-*)355. (-2) x356. -14 -(1-0.5)x|x2-(-3)23M.拭 4.85 诗 3.6 + 6.15x3 沪 1.75x(】| +曙)一55357. -2'_3><(

24、_1)3_(_1365.-lx (-04_(_3l + 26)x冷 _ Ob斗(r (w n35& _3_一5 +_0.2x_ 十(_2)<5丿366.359. 一2-(一17)令 1-1+ (-0.6)4pl5723)1126824丿x(78)367.360. -I2-fl3-(1-0.64-32)36&x27（1997、珈卜网莎卜（皿）370.3 x (5) + 32 4- (2)、| 4 x 6 ； +代+ 0.625379. 33300+(37)1380. (一1990)x(84)-48x(-1990)1990x14-18x1990371.（一3十9 4 x4 9

25、372.3r824 27381. 999+(-999)x(999)+999 999999382. 一149子(一297)><(-483)+(-149)><(一297)子(783)373. _3? + -2-l 2丿_（_2）口（_2）383.(-小4*(-4)+(-1扌1、x(-0.4)斗2ft13丿 2|3|3 V 2375.7凹1、71-x(-4.5) +(-1)oTAI4丿-13- x(-l)1999384.78-22x025x (-1)3-2x386. (0.125),995x(-2),wf37十0.843囑 + 0.吩3 舒 495413387.(-)2x(0

26、.6 + lr2-),(-)376.琴 x(-57)JO377.45” (一 44)38&389.390.391.392.393.394.395.396.397.1997 x 20002000 -2000x1997199711 Z1 L 35398.yx(r-)x-.-399. (-5/-3x(-l)44(X).一2°+(37)22x( I，19492-19502+19512-l 9522 +. + 19972 一 19982 +199921401.(一1)限2 + (2)口4402.1 Q(_5)?)+(-工)525403.i+丄+一+!一1 + 2 1 + 2 + 31

27、+ 2 + 3 + 100333(-125“ (一寸) + 62 气+ 187+(-扌)987654321 x 987654324 一 987654323 x 987654322404.72837-(-2-)-x(-1-)-0.52x-丄+ "?)+ (丄+ 2 + 6+ (丄+ Z +竺)2 334 4 471001()01003405. 25x3-(-25)425x43 24406. 8-(-4)25x38xx(4)x(2)407. 7x32 *3+ (-3)240& _5 + (2)° _2口(_2)?419. -32- -(-2)x4409. (-28) (

28、-6+ 4)+ (-1)x5420. 4x(-3)2-15+(-3)-50410. 2十(一2) + 0十7 (一8)只(一2)421. -13-(1-0.5)x|x2-(-3)2422. 50- -| + K(-6)2 十一7)2412. 122斗（_3）律（一2尸一（一9）口33423. (-I)5 4-2.5-0.6-025 + 3x2 1413. 一22 一2_x(I_)23 3424.414 一2' +(-2)、(1)一(2)4 子(一2)7孰PR护禺）415. (-I)?x(-5)+(-3)2+2x(5)425.一y2、(-4)壬(142-心13131354|6.-亍(-1

29、玄)-%-6.75426.、3417. 5' (2)'+(1 0.8x才)引一1 1|7427. 5? (2) + (1 0.8 x ) 4-1-1 1418.#42& （-5丄）寺（一 16）一（一2）3429. -4+2x(3) 6Z25439141-1430. (-5)185-(2-12)><74440. (-025)、8"431. 18 十1 一 0.4+ (1-04)卜04442. 1 + 2 + (-3) + (-4) + 5+6 + (-7) + (-8) + +(-23)+(-24)443.421 1 +6 411 1+ 86201

30、012008433. -34一(4一35")心2 + (-3)444.2009_，）X（20081）X（2007'1）X，X（i0001）434.(35-775-425)+11445. 19 号(-7)-128 壬(-7)+33 子(-7)435. 5卜(-詈)-I冷+ (-2)匕(一2|)*一(|(一$|) 436. 0.125 + (+3-) + (一3-) + (+i) + (-0.25)4 88#446.437. _5丄_(_9?)_3丄+ 17.7563211111+十+ 1x2 2x3 3x4 4x5 5x6447.J_ ioTFi111x12十 59x60448

31、.iiii I_ +1H10 40 88 154 238222 2十十h 10x9 9x85x4 4x3467.3459.1 1 1 11x3x5 + 3x5x7十5x7x9 十十 2001x2003x2005449. + I+1 1 + 2 1 + 2 + 31 + 2 + 4100450.11I14十十1x3 3x5 5x799x101460.X4.5 + 0.161813卜3"2 2 15 35 63451.42045, 251251251251251452- 4x8'8x12 '12x16'2000x2004'2004x2008463.1122

32、4+ 一 + «*_ + + 2 6 15 35 77453.324567 I' + + +HH 2x55x77x1111x1616x2222x29 29* 3 15 35 63 99 143 195454,(8*S + +120'b1684'224 + 288)X128465.1+5 + 11 + 19 + 29+9701+98992 6 12 20 309702 9900455.11111111+>-11!1H6 12 20 30 42 56 72 90466.1 1+1x2x32x3x47x8x9456.J +丄+ 丄3 6 10 15 21 28

33、1 1 + 1x2x32x3x4198x99x100461. 1 + 2 + 3 + 4 + + 20 2 6 12 20462- 2呗存 2009护 20K)挣2W 需+ 2012玮457丄丄丄一丄一丄一丄一丄_丄_丄 2 6 12 20 30 42 56 72 90468.469.470.471.472.473.474.475.476.477.+ i w + + + 1x3x52x4x6 3x5x720x22x244444H+H 1x3x5 3x5x793x95x97 95x97x99999897111十 1x2x3 2x3x4 3x4x599x100x101Ix2x3x41 1_+2x3

34、x4x5 3x4x5x6 16x7x8x9 7x8x9x1033 33+F+ Ix2x3x4 2x3x4x517x18x19x20 +198x9x105 71 1x2x3 2x3x41155x(+2x3x4 3x4x517198x9x109x10x1?3x4x6x71210x11x13x1434 +1 x2x4x 52x3x5x612349+ + “+.+2 2x3 2x3x4 2x3x4x52x3x4xl0123456+- + “ + 一 1x21x2x3 Ix2x3x4 1 x2x3x4x5 1 x2x3x4x5x6 1 x2x3x4x5x6x7478.2399mm*eaaHMMM3!4!100!479.2.34lx(l + 2)十(l + 2)x(l + 2 + 3) * (l + 2 + 3)x(l + 2 + 3 + 4)十50(l + 2 + 3 + + 49)x(l + 2 + 50)480.234 1