四年级数学简便运算600题教学教材.docx

1、四年级数学简便运算600题教学教材158+262+138375+219+381+22550012471021232（181+2564）+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755(2187+755)2214+638+28630657381065899+3442357183317357236510862144972992370+19953999+498188339812257524138254(13125)(38)(12+24+80)507042

2、5253212532(25+125)881251027658981781011788436+64847599+2758310283298199123181233+8512350(344)325（24+16）17899+1787942+79+795773002548100475168001203010021003200040021500125497007001248243150154800252356（1356721）1235（17801665）7527+19231870+133104(2565+2528)(300+6)1225(4+8)125(35+8)(13+24)8841015042578

3、102252049964991663899999999913+1325+199253216+1432784+783+78312532825321258812572125360025481004753000125812502551200-624-762100-728-772273-73-27847-527-273278+463+22+37732+580+2681034+780320+102425+14+186214-（86+14）787-（87-29）365-（65+118）455-（155+230）576-285+85825-657+57690-177+77755-287+87871-2991

4、57-99363-199968-599178101-17883102-8321723-23735127-3516-1135容易出错类型（共五种类型）600-6015204204736-352025425498-185+25568568280-804126126175-752525825880-202+6036936936-366-6258258100+45-100+451597+3100+1-100+14899+11000+8-1000+85+9528102+1-102+165+351325+75-25+7540+36020-1013+248672-36+64324-68+32100-36+6

5、4263961263569569995555781017852764776761345613445134485224482523（404）999999199918498695202864199738301380476120（569468）（432131）704252561475337312929189（8974）28425125322597212572016563042456（25636）102359842158+262+138375+219+381+22550012471021232（181+2564）+2719378+44+114+242+222276+228+353+219(375+10

6、34)+(966+125)(2130+783+270)+101799+999+9999+999997755(2187+755)2214+638+28630657381065899+3442357183317357236510862144972992370+19953999+498188339812257524138254(13125)(38)(12+24+80)50253212532(25+125)88125102761781011788436+64847599+27598199123181233+8512350(344)325（24+16）17899+1787942+79+795773002

7、548100475158+262+13812482431501548002521500125375+219+381+22550012471021232（181+2564）+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755(2187+755)2214+638+28630657381065899+3442357183317357236510862144972992370+19953999+498188339812257524138254(13125)(3

8、8)(12+24+80)5070425253212532(25+125)881251027658981781011788436+64847599+2758310283298199123181233+8512350(344)325（24+16）17899+1787942+79+79572150012573002548100475168001202.730.891.274.370.281.635.72100.4322.5689.35.262.7414.9（5.24.9）18.325.474.32256.80.040.25320.1256.41.2512.5c（a+b）=cacb0.452010.5

9、810.150.2994.79.93.285.76.725.72.1992.1230.12.39.90.184.260.184.260.581.30.581.37.342.70.253.750.52.7525.260.1252.748abc=a（bc）6.31.89.5（1.98）12.8（0.41.6）9300.6563.42.50.4（7.71.54）0.76.94.83.115.89(6.755.89)7.852.340.854.6635.61.815.67.213.75(3.756.48)47.87.45+2.5566.868.661.340.2516.240.25320.1252.5

10、(4+0.4)(1.250.125)84.8100.14.29956.59.956.57.0910.80.87.093.834.563.835.443.654.736.50.375.411-5.413.70.253.7410.716.1-1.110.7+10.751345613445134485224482523（404）999999199918498695202864199738301158+262+138375+219+381+22550012471021232（181+2564）+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+1017