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1、小学数学简便运算专项练习237题（有答案）1. (0.86+0.86+0.86+0.86)X258.(1-141)184422. 412+6X2359.名X23243. 125(508)10.38-?-15.38+61.25-3.6244. 7.611.9-1.9(1.9-1.9).211.17.98+2.50.3-181.55. 999X999-2X999+1.12.-J+l-74476. 1.25X0.25X0.05X647. 20.06X65+380X2.006-2.006X30.54.76+5*5.24O15.3-（016+1卷）-1.8423.56（2-乜+）782816.2.8-（
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3、.4.85-.15-34.9942.(I-A)4991235. 1(44-3.6+6.153-)9418543.1+2+3+4+49+50.36. 0(WJ)XN45、744.4.80.2537.16+5+7+45.2.330.5438.1.3-3.79+9.7-6.2146.1.22.5+0.82.5J(-1)(7-1)40. 9628241. 9-4.25+4-ll64647.3.7l.258.55.573-29848.43.6+9.8+6.456.194+50149.17.30.25857.627-(427+189)50.2.31l.5+1.57.69.58.6301451.10.24-
4、6.67-1.3359.125253252.32OOOI25860.21065.53.7.31+15.05+2.69+4.9561.1253254.47X10162.6405863.653-9871.73502564.944+102.72.54XlOl65.2579473.227+364+146+17366.81662574.5604-(723+1604)67.502543J1.67+0.33X至75.8868.8(2515)76.999X667+667.69.(25072)477.20042002200370.525134020.78.81-(3.81-1.65)+2.2587.452-(1
5、52+240)79. 24(a+2).64388.992780. (Zj1.)243489.112016782.2.53.21.2590.11336-133683. 4.05-(2.05+A)2791.179-245+321-155.84.5.39+12+4.61+至7792.1.24+14.95+8.76-4.9585.0.588Iz4X9.412+/X0.588.3393.52.7-5.27-2.786.4598+45294.3520195.450025496.12532103. (1+1+A)1053515104. Jl+25%20.251747797.65499+34699.2-5+3
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7、2.17.25-3+3.75-6124.201120h2011+12012201349(-?+!)2575125.14AA262030.3Alli-A1351345126.(-1.-1)12122111.112.113.114.115.116.117.118.134.7399127.1000+999999.135.128.178.4-453-54.7136.129.456-(256-144)137.130.102X45138.131.3212525139.132.43X99+43140.133.(40+8)25141.5411-54.301X79125X72X4728X79十272X798.5
8、9+2.57+3.43+5.4749.62+27.17-19.621546-(546-239)150.24.87-0.53-1.47142.IX-1.+lJ+l-1.+lJ277377477飞77143.1999+999X999.151.50X(31025144.4.376.3+4373.7152.0.375l+-22,3145.2.641.250.8153.7.5+2.7+2.7+2.5+43146.10.20.45.154.7.9-3.27-0.73+1.1147.3.5%9.9155.72X125148.ll+3l+5A+7A+9A26122030156.(80+4)X125149.20
9、0820072008-200620082007.157.678867ll+67158.20315.166.4X3.5+4.8X71-480%52159.4392-2997167.(5-?-1.8)(1.15+1)X125203160.2.5321.25168.3333X224+6666X368.169.395-283+154+246-117170.8795-4998+2994-3002-2008162.13-?J77163.9(20.75-9.5)0.4171.1999+999X999164.2-5,lx27745,172.38X25X6.165.1.25X32X2.5173.2.06X101
10、182.1900425.174.O.25125O.32175.1.25X8.8183.8.35+3.8-2.35176.31.8X2.5+31.8X7.5.184.15.4-(5.4+2.3)177.198125185.9845178.38+129+71186.1612525179.1756-398187.1269-692180.406X201188.(20+8)25.181.16X125189.9+99+999+9999+99999；198.125X17-125190.1-2+3-4+5-6+-1992+1993.191.36X11；199.235X99192.246X11.200.(130
11、0-520)13193.678+(354+322)201.6721+1821+8579194.283+147+17+1653202.222222X999999.195.384-(37+184)203.18至XM+2520196.2904-1327-173204.219.l.52020197.653-197205.0.87.3-63X20.08206.65.5-4.29+24.6-5.71214.38.4187-15.4384+3.316=207.1991+1989+2000+1995+2011+2005+1998+1993.215,3&-(0.16+1A)-1.841515208.99999X22222+33333X33334216.2009200922010209.2003X200420042004-20032004217.91+9919991+99991-W55555210.2.8(1+-)728218.4.0312.5.211.101-.102219.1997+1998+1999+2001212.9.8110%+0.598.1+0.049981220.3425-188-212-25213.23l-14l.3939221.567X999+5672222.(914875)(251316)230.15(A+
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