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1、 1口算4959=4544=646+120=512-63=1806=30.39=5162= 0.07+0.16=0.62-0.26=90.13=用时:收获了：个获得 口算称号2竖式326865=700587= 0.16954.3=117.612=49533= 69363=3脱式计算259612523054+540772005+2006+2007+2008+2009+2010+20118+98+998+9998 1口算9046=7174=505+785=139-20=6062=80.96=6606= 0.26+2.4=3.2-0.81=68.5=用时:收获了：个获得 口算称号2竖式314396=
2、507268= 0.07655.1= 84315=217.899=42585=3脱式计算6000012525815354+7146+82461.2+3.7+8.8+4.6+5.4+6.34444 9998 1111 1口算4017=1443=885+627=471-80=5586=9527=0.617= 2.3+0.27=3.9-0.84=0.270.1=用时:收获了：个获得 口算称号2竖式843706=617428= 3.5937.4= 21731=23.6837=81743=3脱式计算218730+7820731234567894567891231999+999999 7+97+997+9
3、997+99997 1口算7592=4998=960+148=144-47=1955=0.639=8088=7.72= 8.8+9.6=8.5-0.13=用时:收获了：个获得 口算称号2竖式990105=954337= 0.10840.9=48.0689=882080= 393696=3脱式计算375480-2750489100012585328(10000-1) 648+653+651+649+647+655 1口算4392=4769=428+558=213-80=3284=0.862=7604=6.44= 0.28+0.23=0.82-0.12=用时:收获了：个获得 口算称号2竖式2222
4、35=914944= 5.130.132= 360888=2.07583=560979=3脱式计算1(23)(34)(45)(56) 981+59810+4998111+12+13+14+15+16+17+18+19 256+78+137-37+122+44 1口算7458=8163=583+277=455-35=7362=5.10.1=4764=0.135= 7.1+0.49=8.4-0.06=用时:收获了：个获得 口算称号2竖式884498=381820= 17.58.16=1.51389=668880= 292539=3脱式计算(711)(1116)(1635)5 3.97+9.7+0.
5、03567422+567+577567 100+99+98+97+96+95+94+93+92+91+90 1口算8762=8189=820+719=728-83=4044=0.332=3933=7.27= 8.5+0.27=9.3-0.08=用时:收获了：个获得 口算称号2竖式 70.97.31=978608=181902= 431652=67.554=428436=3脱式计算180001251854+9999+45(445+443+440+439+433+434)6 11+101+1001+10001 1口算1643=7734=816+141=683-42=1179=0.778=6202=
6、0.436= 2.4+0.17=7.1-0.51=用时:收获了：个获得 口算称号2竖式123798=408920= 68.40.026=0.94=359959= 821474=3脱式计算(12599+125)16 (6300-63)6375374 4.28-(1.9+1.28) 1口算9328=1248=118+678=9189=3.65=529-37=1448=8.28= 4.8+5.3=7.7-0.65=用时:收获了：个获得 口算称号2竖式 2.775.25=461344=507943= 961227=3.225=427747=3脱式计算1000(254) 339+340+341+342+
7、343+344+345 25(400+40+4)10-9+8-7+6-5+4-3+2-1 1口算8872=5474=773+823=241-13=9667=9.57=5564=0.946= 4.3+3.1=5.1-0.17=用时:收获了：个获得 口算称号2竖式940660=705878= 8.6849.1=0.1224=282217= 739529=3脱式计算900001252581251655.64+3.6-2.64-1.6960 (48 2) 1口算8726=2889=634+558=106-23=8124=0.394=5467=0.635= 5.3+5.9=4.6-0.27=用时:收获了
8、：个获得 口算称号2竖式 0.05384.9=346601=550494= 729351=82.0827=445545=3脱式计算(487581)(242527) 37500425 2214+56715+25+35+45+55 1口算5448=6193=573+713=724-88=9484=0.163=5526= 4.5+0.43=6.4-0.15=0.030.1=用时:收获了：个获得 口算称号2竖式892416=227245= 0.0483.23= 124254=92.09223=14139=3脱式计算4859-3859(2001+1999+1997+1995)-(2000+1998+19
9、96+1994)4545+3535 12101+1231001 1口算7026=5383=127+480=264-46=4568=3.65=9688= 0.83+3.1=6.5-0.76=4.40.1=用时:收获了：个获得 口算称号2竖式355859=528166= 91.865.4=12.9632=548430= 129238=3脱式计算319+139+1097861001+45783+57+5716 3.2+2.9+3.3+2.8+2.6 1口算1754=1552=255+426=691-51=1244=2709= 4.9+0.01=4.9-0.49=7.92=0.730.1=用时:收获了
10、：个获得 口算称号2竖式824821=998295= 0.1036.41= 934254=227.56.5=465399=3脱式计算136101-136 23101+773834 1917 7+97+997+9997+99997 1口算1173=3094=6.8-4.6=206+554=388-13=7928=5.95=4417=9.68= 0.77+8.6=用时:收获了：个获得 口算称号2竖式515588=531132= 7.532.52=41.830.47=819018= 839573=3脱式计算6644+3312 6.05+6.03+5.97+5.99+5.9656165711 1-2-
11、3+4+5-6-7+8+9-10-11+12 1口算6074=8882=172+103=423-34=5282=0.974=5848=0.264= 0.87+0.92=6.7-0.49=用时:收获了：个获得 口算称号2竖式967449=9985= 9.2739.9= 163575=49.776.3=748638=3脱式计算23054+540772+12+102+10022399+23 25485 1口算8646=7447=7.1-5.1=586+154=530-16=5397=0.552=2529=0.762= 3.5+0.87=用时:收获了：个获得 口算称号2竖式942326=596866=
12、 9.290.069= 402979=3.9680.64=921664=3脱式计算454500(2545) 30828+151228+98028 5198+1020.9+9.9+99.9 1口算2376=9927=166+505=450-87=4222=2.60.2=7582= 0.95+0.98=9.9-0.41=7.40.6=用时:收获了：个获得 口算称号2竖式218827=884225= 0.0940.044=176.80.52=976888= 567666=3脱式计算218730+78207362424+38424+192243225+3241+6668 3333+1 1口算5397=
13、7017=272+453=733-27=3222=9.60.8=5223= 0.86+2.5=5.5-0.97=0.310.3=用时:收获了：个获得 口算称号2竖式948868=370222= 69.60.039= 676847=420.35=789822=3脱式计算163175-16334-16341 178+185+179+177+183892+112-92 1.1+10.01+100.001 1口算9843=5502=832+881=375-29=6873=4.70.9=4505= 7.2+0.08=4.5-0.14=6.60.4=用时:收获了：个获得 口算称号2竖式517970=787
14、613= 81.195.4= 459282=1.1762.1=207977=3脱式计算2928+4672+1728652-(179+252)-121(68+529)101 1253789 1口算3554=9545=7.8-4.8=266+985=775-97=8226=4.90.5=9737= 0.63+0.33=9.60.5=用时:收获了：个获得 口算称号2竖式136829=144688= 88.10.048= 166698=5.550.74=237939=3脱式计算96576-76576632-372+240(84+2621)9 2-1.9-1.8+1.7+1.6-1.5-1.4+1.3
15、1口算4248=5893=803+862=252-57=6333=2.40.7=6705= 8.4+0.36=9.3-0.13=9.80.7=用时:收获了：个获得 口算称号2竖式189361=635995= 2.680.149= 300391=5.076.5=399636=3脱式计算37958+42379 2800100+7890.8+0.98+0.998 1-2+3-4+5-6+7-8+9 1口算4422=3456=544+934=475-62=3222=5.80.4=6307= 0.04+0.51=4.7-0.65=0.330.3=用时:收获了：个获得 口算称号2竖式366243=8288
16、90= 9.580.104= 817894=257.60.56=166111=3脱式计算125(80-4)3737+37632+6+10+14+18+22 10-1.9-1.99-1.999 1口算6736=2356=329+857=872-48=5346=2.90.5=5902= 6.5+6.5=5.8-0.29=0.340.7=用时:收获了：个获得 口算称号2竖式654226=850609= 9.533.44= 655272=262.5=568212=3脱式计算(52+38)99125642558.37-(1.37-1.29)+2.7112 18+15 15+11 19 1口算8822=7
17、113=5.6-5.1=441+305=940-35=7822=7.60.4=8226= 0.39+0.09=0.250.7=用时:收获了：个获得 口算称号2竖式606843=467671= 0.1623.15= 159676=7.9953.9=855075=3脱式计算5622+5633+564422233+88966253+75+515 1234-289+56-234-311 1口算5369=8554=7.8-3.5=303+729=894-16=3844=5.50.4=9755= 0.15+9.1=8.70.1=用时:收获了：个获得 口算称号2竖式144516=306810= 0.0945
18、.86= 466263=0.80518.3=972969=3脱式计算4(2508) 5-1.1-1.01-1.001722788(91112) 34+68+3497 1口算2403=7943=858+186=588-61=5642=3.60.9=8469= 0.82+0.46=2.6-0.21=0.080.2=用时:收获了：个获得 口算称号2竖式960191=897243= 0.11386.6= 448868=235.20.048=229919=3脱式计算36(913-27623)723-(521+504)250.5+9.5+99.5+999.5 (618+366-384)6 1口算7704=
19、6548=959+949=226-51=1404=4837= 2.5+0.59=9.4-0.31=7.20.7=0.660.2=用时:收获了：个获得 口算称号2竖式726606=520778= 0.1026.26= 965238=414.40.74=269729=3脱式计算178101-178(2+4+6+8+10)-(1+3+5+7+9)3727+1 45.2+45.5+44.8+44.2 1口算9226=2753=312+136=719-42=8324=8.20.8=5103= 0.76+3.6=6.2-0.71=0.150.9=用时:收获了：个获得 口算称号2竖式694451=52893
20、2= 0.0770.092= 631989=0.092.5=148257=3脱式计算468422234211 44449999+22229999 1810+2710+8210+731037111337 1口算3925=4697=234+876=365-51=1355=8884= 0.94+8.4=6.2-0.11=0.950.1=0.470.8=用时:收获了：个获得 口算称号2竖式603904=579410=0.0526.28=9.5173.1=292812= 302555=3脱式计算5712-560355071363+498867-(69+38)+(138-31) 2334+4633 答案练
21、习 1竖式103950 321498 4.41720.54110.25 4191口算7664493044550.2318160.36脱式计算 4800025853274672 39031.171.171练习口算5竖式281990 410900 9.176798613387842849.8脱式计算 300000 540004056 111021511190820.510.725.61.7211竖式52170 862816 0.677160.025 719810041练习 2脱式计算 3口算129011930354242.6628682.39135600110517.681练习口算6竖式12434
22、4 135876 4.187686042036859607.5924488.342.2556.2119脱式计算 615300399920.650.5130竖式440232 312420 142.80.017 83.6脱式计算 25 13.767000 104575练习 3口算15123919328072.574323.0651364.270.0271练习 7竖式595158 264076 134.266.64 19脱式计算 730000 1口算113153964510117528.7773629.220750.40.661000000 111095竖式594624 163262 518.279
23、1.2511999001111483练习 4脱式计算 8口算11089739151818.439928.3743910115.45.671 练习 8练习 12口算957641134922.5730926.59口算1286 63692 23743524.9318576.253102.586.1610.003 0.48竖式98154 375360 1.7784竖式371072 556150.155040.225 61脱式计算 200000 991100 1.11114.004 15723脱式计算 590413250 124335练习 9练习 13口算79649218745610.19927.05口
24、算6071212185742123.9316145.741021865.60.4418竖式158584 478101 14.5425竖式304945 876486003.720.128913560.405 182.834脱式计算 160239411100脱式计算 678679055700 14.8练习 10练习口算14口算159622813817747.421884.9363081640317004.913104.411395.6466.51115.80.073竖式620400 618990 426.188竖式676504 294410 0.660230.005 166100002553547
25、173脱式计算 9脱式计算 13600 24005404111095练习 11练习口算15口算1192835232259276360375993519.3712362.27820311.24.333.151.5676.829.5竖式207946 271700 4.4997竖式302820 7009289 455脱式计算 3300 3012018.97561153.0499143脱式计算 1837570030 练习 16练习 20口算27538926424281.7917766.21口算17139034622929527.2811004.36731.043.882.644.23竖式434183
26、8415369.87321.8竖式501490 482431 7736.947.9脱式计算 540003001970.56275611186000脱式计算 4600100260297333000练习 17练习 21口算7405147751844.3752082口算125113967813714200.9647703281.521.14.82.45竖式307092 516136 0.64101竖式112744 990727.5 61脱式计算 15200 5004.2288176.214451脱式计算 4041005100110.756700练习 18练习 22口算67136321114221.9
27、369449.49口算166513419521133928.7617679.173794.440.526.861.681竖式180286 19890040 111脱式计算 730000 500.00413686竖式682290.78631825 0.399323111817533脱式计算 37900660010902.778练习 19练习 23口算72570616137733.3649074.53口算1478904131618840.5520704.051740.0937.680.0992.32竖式822864 82140 2.7144竖式88938460736920 0.99632120脱式
28、计算 163001235914415187902脱式计算 950037004.1119111.11172 练习 24练习 28口算11868248940381314105.51口算1908691753530803.0952329.092950.238 1.455.040.1321竖式147804 517650 32.7832竖式439956 404560 0.6385210.4473.59156093254脱式计算 89101000000650脱式计算 178005111000179.7练习 25练习 29口算74690539117640.4821330.5口算4481706772085532
29、4.368255.491370.175 3.040.135 6.56312994 492096 0.007084竖式510858 313357 0.5103竖式2.05脱式计算 55442511466000456210.036脱式计算 42666653334712111111 20练习 26练习 30口算10328789648249.2534204.3口算11102223142719609.3432836.091950.872.210.0950.376竖式74304.097脱式计算 12544247860 0.55084竖式545112 237390 0.326560141743.0724455脱式计算 668295523001.88934001867练习 27口算10445272827201.2823822.39940.0163.24竖式183360 2179719.78584900脱式计算 32436109121682100661