小学数学计算题强化训练 6年级

小学数学计算题强化训练（六年级）目录第一讲分数的运算技巧(1).......................................................................................................................1第二讲分数的运算技巧(2)....................................................................................................................11第三讲分数裂项.....................................................................................................................................19第四讲繁分数..........................................................................................................................................28第五讲换元法..........................................................................................................................................41第六讲公式类计算(3)............................................................................................................................52第七讲整数裂项.....................................................................................................................................61第八讲归纳与递推(2)............................................................................................................................70第九讲比与比例.....................................................................................................................................80第十讲分数系数方程.............................................................................................................................92第十一讲复杂方程组...........................................................................................................................104第十二讲定义新运算(4)......................................................................................................................116第十三讲放缩法...................................................................................................................................122第十四讲综合练习(1)..........................................................................................................................126第十五讲综合练习(2)..........................................................................................................................134答案..............................................................................................................................................................139第一讲分数的运算技巧（1）第一讲分数的运算技巧(1)11．(★★)41.28.111953.71.94162．(★★)199479790244.922522553．(★★)97797914．(★★)2004222003200420051第一讲分数的运算技巧（1）14886745．(★★)3914848149149149136．(★★)4.78.35883%51037．(★★)20050.37519493.752.4852138．(★★)51261731322第一讲分数的运算技巧（1）119．(★★)34903105101010．(★★)3149315177711111．(★★★)1+3+91+3+9=200766922320076692233456712(★★)．4556677889456783第一讲分数的运算技巧（1）7815210913．(★★)3452231113171113175114．(★★)990.625686.250.120819115．(★★)41.28.111953.71.941751511716．(★★)24344第一讲分数的运算技巧（1）772117．(★★)23182218．(★★)17371741.917825516369119．(★★★)5122561281643325154515515161718192020．(★★)7777775第一讲分数的运算技巧（1）1111111121．(★★)234611122．(★★)3335101525374923．(★★)51719133445524824．(★★)453596第一讲分数的运算技巧（1）31125．(★★)91713234526．(★★)60345613527．(★★)7025711223328．(★★)3697第一讲分数的运算技巧（1）55129．(★★)23611130．(★★)23611131．(★★)48121132．(★)5108第一讲分数的运算技巧（1）33311133．(★★)12812820081004251200810042513825734．(★★)180.6518171371313137135．(★★)1391371138138200736．(★★)2007200720089第一讲分数的运算技巧（1）41211437．(★★)231671377135338．(★★)1207577710第二讲分数的运算技巧（2）第二讲分数的运算技巧(2)．★★111111()1111..12222223451001232463692．(★★)13526103915135443．(★★)171933171931211234．(★★)2773537511第二讲分数的运算技巧（2）5．(★)连乘式子前分子、后分母或前__________、后__________相同，可直接约分．6．(★)在分数的加减运算中，同__________分数分一组计算．1111117．(★★)11111...123456200111118．(★★)1111...1234520012第二讲分数的运算技巧（2）5605593209．(★★)321559120172016201810．(★★)20172018111111111．(★★)1111...11234599100215412．(★★)7931117913第二讲分数的运算技巧（2）2129232313．(★★)7911134761279111314．(★★)在括号里填上合适的不同整数使等式成立，请写出所有的数组（交换算同111一组）：．1215．(★★)把一个分数拆分成两个或两个以上分数和的形式叫做分数的拆分．在括号里填上不同自然数使等式成立，请写出所有的数组（交换算同一组）．111677777777777777777777716．(★★)99999999999999999999999999999999999999999914第二讲分数的运算技巧（2）888888888817．(★★)999999999999999999991231718．(★★)36182434320815319．(★★)133211411451320．(★★)1815415第二讲分数的运算技巧（2）3456710121．(★★)...234561002222122．(★★)111...15035710123387623．(★★)0.2511411131320152015201520152015201524．(★★)20172017201720172017201716第二讲分数的运算技巧（2）9101110111211121312131425．(★★★)891011111189101111126．(★★)如果，则A__________．207265009A1111127．(★★)9999999999999995555538528．(★★)52.375131111817第二讲分数的运算技巧（2）34567201729．(★★)...23456201618第三讲分数裂项第三讲分数裂项1．(