简便运算的练习题和答案

1、158+262+138(181+2564 ) +2719(375+1034)+(966+125)7755 (2187+755)899+344497 2991883 398138 X25 X4简便计算练习题1375+219+381+225378+44+114+242+222(2130+783+270)+10172214+638+2862357 183 317 3572370+199512X25(13 X125) X3 X)简便计算练习题25001 247 1021 232276+228+353+21999+999+9999+999993065 738 10652365 1086 2143999+

2、49875X24(12+24+80) X50704 X2525 X32 X12532 X(25+125)88X125102X7658 X98178X101 17884 X36+64 X8475 X99+2 X752356 (1356 721 )1235 ( 1780 1665)75X27+19X2 583 X102 83 X298 X199123X18 123X3+85X12350 X(34 4) X25X (24+16)178 X99+17879X42+79+79X577300十25詔8100-47516800-12030100-210032000-40021500-12549700-700

3、1248-243150-154800-25简便计算练习题331X870+13X3104 冬25 65+25X28)25x(4+8)(300+6)x12125x(35+8)(13+24)x884x101504x2578x10225x20499x6499x16638x99999x9999X13+1325+199X2532X16+14X3278X4+78X3+78X3125X32X825X32X12588X12572X1251250-255简便计算练习题48100-4753000-125-81200-624-762100-728-772273-73-27847-527-273278+463+22+3

4、7732+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+87871-299157-99363-199968-599178X101-17883X102-83X217X23-23X735X127-35X16-11X35600-60 %20X420X498-18X5+25简便计算练习题56X856X8736-35X20280-80 -425X4-25X412X612X6175-75 吃525X825

5、X880-20X2+6036X936X936-36 七-625X8(25X8 )-100+45-100+4515X97+3100+1-100+148X99+11000+8-1000+85+95X28102+1-102+165+35X1325+75-25+7540+360 十20-1013+24X8672-36+64324-68+32100-36+6426 X 39+ 61 X 26简便计算练习题6356X 9-56X 999 X 55+ 5578 X 101- 7852 X 76+ 47 X 76+ 76134X 56- 134+ 45X 13448X 52X 2-4X 4825X 23X(

6、40+ 4)999X 999 1999184+ 98695+ 202864- 199738- 301380+ 476+ 120569+ 468)+( 432+ 131)704X 25256- 147- 53373- 129+ 2918989+ 74)28X 4X 25125X 32X 259X 72X 125720- 16-5630- 42简便计算练习题 7456256- 36)102X 35 98 X 42158+262+138375+219+381+2255001 247 1021 - 232(181+2564) +2719378+44+114+242+222276+228+353+219

7、(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755 (2187+755)2214+638+2863065 7381065899+3442357183 317 3572365 1086- 2144972992370+19953999+4981883398简便计算练习题12X 25875 X 24138X 25X 4(13 X 125) X (3 X 8)(12+24+80) X 5025X 32X 12532 X (25+125)88 X 125102X 76(2130+783+270)+101799+999+9999+999

8、99 7755 (2187+755)178X 101- 17884 X 36+64X 8475 X 99+2X 7598 X 199123X 18- 123X 3+85X 12350 X (34 X 4) X 325X( 24+16)178X 99+17879 X 42+79+79X 57158+262+1381248- 243150- 15简便计算练习题94800- 2521500- 125375+219+381+2255001 247- 1021-232(181+2564) +2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)

9、2214+638+28630657381065899+34423571833173572365 1 0862 1 44972992370+19953999+498188339812X 2575 X 24简便计算练习题138X 25X 410(13X125)X(3X8)(12+24+80) X 50704X 2525X 32X 12532X (25+125)88X 125102X 7658X 98178X10117884 X 36+64X 8475 X 99+2X 7583X 10283X 298X 199123X 18123X 3+85X 12350X (34X 4) X 325X( 24+1

10、6)178X 99+17879X 42+79+79X 5721500十 12516800- 1202.73 0.891.27简便计算练习题4.3711 0.28 1.63 5.7210 0.432 2.5689.3 5.26 2.7414.9（5.24.9）18.32 5.47 4.3225 X 6.8 X 0.040.25 X 32 X 0.1256.4 X 1.25 X 12.50.45X 2010.58 X 10.150.2 X 994.7 X 9.93.28X 5.7 6.72 X 5.723 X0.1 2.3 X 9.90.58X 1.3 - 0.58 X 1.33.75X 0.52

11、.75 - 2简便计算练习题 120.182.1 X 99 2.14.26 0.18 4.267.3 - 4 + 2.7 X 0.255.26 X 0.125 + 2.74 - 86.3 - 1.89.5 -(1.9 X8 )12.8(0.4 X 1.6 )63.4 - 2.5(7.71.546.9 + 4.8 + 3.115.89简便计算练习题13+ (6.75 5.89)7.85+ 2.34 0.85 + 4.6635.6 1.8 15.6 7.213.75(3.75 + 6.48)47.87.45+2.5566.86 8.66 1.340.25 X 16.2 X 40.25 X 32 X

12、 0.1252 .5 X (4 +0.4)(1.250.125) X 84.8 X 100.14.2 X 9956.5 X 9.9 + 56.57.09 X 10.8 0.8 X 7.093.83 X 4.56 + 3.83 X 5.443.65 X 4.7 36.5 X 0.375.4 X 11-5.413.7 X 0.25 3.7-410.7 X 16.1 -1.1 X 10.7 +10.7158+262+138(181+2564 ) +2719(375+1034)+(966+125)7755 (2187+755)899+344简便计算练习14375+219+381+225378+44+1

13、14+242+222(2130+783+270)+10172214+638+2862357 183 317 3575001 247 1021 232276+228+353+21999+999+9999+999993065 738 10652365 1086 214497 2992370+19953999+4981883 39812X2575X24138 X25 X4(13 X125) X3 X)(12+24+80) X50704 X2588X125178X101 17883 X102 83 X2简便计算练习题225 X32 X12532X(25+125)102X7658X9884 X36+64

14、X8475X99+2X7598 X199123X18 123X3+85X12350 X(34 4) X25X (24+16)178X99+17879M2+79+79X577300十25詔8100MT516800-12030100-210032000-40021500-12549700-7001248-243150-154800-25简便计算练习题32356 (1356 721 )1235 (1780 1665)75X27+19X2 531X870+13X3104X(25 X$5+25X28)25x(4+8)(300+6)x12125x(35+8)(13+24)x884x101504x2578x

15、10225x20499x6499x16638x99999x9999X13+1325+199X2532X16+14X3278X4+78X3+78X3125X32X825X32X12588X12572X125简便计算练习题481004753000 十125乜1250 十25 P1200-624-762100-728-772273-73-27847-527-273278+463+22+37732+580+2681034+780320+102425+14+186214- (86+14 )787- (87-29 )365- (65+118 )455- (155+230 )576-285+85825-65

16、7+57690-177+77755-287+87871-299157-99363-199968-599178X101-17883X102-83X217X23-23X735X127-35X16-11X35简便计算练习题5 容易出错类型（共五种类型）600-60 $520X420X4736-35X2025X4-25X498-18X5+2556X856X8280-80 -412X612X6175-75 2-25X825X880-20X2+6036X936X936-36 -625X8(25X8 )-100+45-100+4515X97+3100+1-100+148X99+11000+8-1000+85

17、+95X28102+1-102+165+35X1325+75-25+7540+360 十20-1013+24X8672-36+64324-68+32100-36+6426 X 39+ 61 X 26简便计算练习题6356X 9-56X 999 X 55+ 5578 X 101- 7852 X 76+ 47 X 76+ 76134X 56- 134 + 45X 13448X 52X 2-4X 4825X 23 X404）999X 999 199918498695202864- 199738- 301380476120256- 147- 53（569468）373432131)- 12929189

18、704X 25-( 8974)28X 4X 25125X 32X 259X 72X 125720- 16-5简便计算练习题 7630- 42456256- 36)102X 35 98 X 42158+262+138375+219+381+2255001-247-1021-232181+2564) +2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755- (2187+755)2214+638+2863065- 738- 1065899+3442357-18

19、3-317-3572370+19952365- 1086- 214497 299378+44+114+242+222276+228+353+219(375+1034)+(966+125)3999+498简便计算练习题8188339812X 2575 X 24138X 25X 4(13 X 125) X (3 X 8)(12+24+80) X 5025X 32X 12532 X (25+125)88 X 125102X 76178X 101- 17884 X 36+64X 8475 X 99+2X 7598 X 199123X 18- 123X 3+85X 12350 X (34 X 4) X

20、379 X 42+79+79X 5725X( 24+16)178X 99+178158+262+1381248- 24简便计算练习题93150- 154800- 2521500- 125(181+2564) +2719375+219+381+2255001- 247 - 1021 - 232299(2130+783+270)+101799+999+9999+999997755(2187+755)2214+638+28630657381065899+3442357183317357236510862144972370+19953999+498188339812X 25简便计算练习题 1075X

21、24138X 25X 4(13 X 125) X (3 X 8)(12+24+80) X 50704X 2525X 32X 12532X (25+125)88X 125102X 7658X 98178X 101 17884X 36+64X 8475X 99+2X 7583X 10283X 298X 199123X 18123X 3+85X 12350X (34X 4)X 325X(24+16)178X 99+17879X 42+79+79X 5721500- 1257300十 25-4（ a+ b）+ c = a2.73 + 0.89 +8100- 4- 75简便计算练习题 +（ b+ c）1

22、.2716800十 120114.37 0.28 1.63 5.72a b c = a （ b+ c）10 0.432 2.5689.3 5.26 2.7414.9（5.24.9）18.32 5.47 4.32（a X b ）X c = a25 X 6.8 X 0.04c）b X0.25 X 32 X0.1256.4X 1.25X 12.5c X0.45a+b）= c X aX 201cX b+0.58 X 10.150.2X 994.7X 9.93.28简便计算练习题X 5.7 + 6.72 X 5.7122.1X 99 2.123 X0.1 2.3 X 9.90.184.260.184.2

23、60.58X 1.3 - 0.58 X 1.37.3X 0.253.75 X 0.52.75 - 25.260.125 + 2.74 - 8a b c = a6.3 - 1.8(b X c)9.5 -(1.9 X 8 )12.8(0.4 X 1.6 )63.4 - 2.5- 0.4(7.7 + 1.54 )- 0.76.9 + 4.8 + 3.115.8935.6 1.8 15.6 7.266.86 8.66 1.342 .5 X (4 +0.4)4.2 X 99简便计算练习题13+ (6.75 5.89)7.8513.75 (3.75 + 6.48)0.25 X 16.2 X 4(1.25

24、0.125) X 856.5 X 9.9 + 56.53.83 X 4.56 + 3.83 X 5.4413.7 X 0.25 3.7-4第一类：加65+73+135+ 2.34 0.85 + 4.6647.87.45+2.550.25 X 32 X 0.1254.8 X 100.17.09 X 10.8 0.8 X 7.093.65 X 4.7 36.5 X 0.375.4 X 11-5.410.7 X 16.1 -1.1 X 10.7 +10.7 X 5357+288+143272+68+28129+235+171+16517+145+23+35999+99+9+36+7+8+102+10

25、3+1049998+3+99+998+3+9517-53-47284-159-41第二类：减400-256-44258-42-16545-167-145478-47-178344-(144+37)236-(177+36)第三类：乘45X4X58X(125X13)23 X5X225X9X4(250X125)X(4X8)125X54X2588X12572X12542X125X8X5第四类：乘( 12+50) X4025X4X58X125125 X( 40-4)76X10318X12525X4442X2599X999X78第五类：乘45X37+37X5528X21+28X7917X23-23 X73

26、8 46+64X3899X32+3246+46 59167X2+167X3+167X539 8+639-39 428 225-2 225-6 22542+25)125+(18+15)12523 24+25 42+271 8+258 19922+33 34第六类：除36049250吒吃600T2 诗480苗詔8240 诗 m2420 52400257800 25第七类：加减92+99197+102354-108127-98323+189-123248-86+48672-36+646467-832)+1832-1467)1530+(592-530)-192(2+4+6+ +98+100 ) - (

27、1+3+5+ +97+99 )第八类：乘除960464899000121113702381234640-( 164)1000-( 125V)第九类：加减乘除( 98+147)-49230-23) -23250-25) -251736-28+1064-28125X( 860+240-2)700+612-12X4(37+15) 85+13602005X20062006-2006 X20052005158+262+138375+219+381+22550012471021232378+44+114+242+222276+228+353+219( 181+2564) +2719(375+1034)+(

28、966+125)(2130+783+270)+101799+999+9999+999997755(2187+755)2214+638+28630657381065899+3442357183317357236510862144972992370+19953999+4981883 398122575 24138 25 4(13125)(38)(12+24+80)50简便计算练习题704252253212532(25+125)88125102 7658 981781011788436+64 8475 99+2758310283298199123181233+8512350(344)325(24+1

29、6)17899+1787942+79+79577300254810047516800唱2030100 21003200040021500212549700270012482243150 15- 4800225简便计算练习题2356（1356721）1235(17801665)7527+192 531870+133104(25 65+25 28)(300+6)x1225x(4+8)125x（35+8）（13+24）x884x101504x2578x10225x20499x6499x16638x99999x9999X13+1325+199X2532X16+14X3278X4+78X3+78X3简便

30、计算练习题3600254125X32X825X32X12588X12572X12581004753000唱25七1200-624-762100-728-772273-73-27847-527-273278+463+22+37732+580+2681034+780320+102425+14+1862 1 4-（ 86+1 4）787-（87-29）365-（65+118）455-（155+230）576-285+85825-657+57690-177+77755-287+87871-299157-99363-199968-599简便计算练习题 5600-60 -1520X4T0X4736-35X

31、2025X4-25X498-18X5+2556X8-56X8280-80 -412X6-12X6175-75 -2525X8-25X880-20X2+6036X9-36X936-36 -6-625X8-（25X8）100+45-100+4515X97+3100+1-100+148X99+11000+8-1000+85+95X28102+1-102+165+35X1325+75-25+7540+360-20-1013+24X8672-36+64324-68+32100-36+64简便计算练习题26 39+ 6126356 刈56 999X55+ 5578 101 7852 76+ 4776+ 7

32、613456 134+ 45 1344852 2 44825X23X (40+ 4)999 999 + 佃 99184+ 98695+ 202864199738301380+476+120(569+468) + (432+131)7042525614753373129+ 29189( 89+ 74)28 4251253225972125简便计算练习题720七诗763042456( 25636)102 35 98 42158+262+138375+219+381+22550012471021232181+2564) +2719378+44+114+242+222276+228+353+219(3

33、75+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755(2187+755)2214+638+28630657381065899+3442357183317357236510862144972992370+1995简便计算练习题 83999+498188339812 257524138 25 4(13 25) 3 為)(12+24+80) 50253212532(25+125)8436+64848812575 99+2 751027698199178101178123181233+8512350 (34 4) 325(24+16)17

34、899+1787942+79+795773002548100FT5158+262+138简便计算练习题1248 4 375+219+381+2254800 毘53150T55001247102123221500125(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+3442370+19953999+498188339812X2575 24138X5 4(13

35、 X25) 3 X)(12+24+80) 5070425253212532(25+125)88125102 7658981781011788436+648475 99+2 758310283298199123181233+8512350(344)325(24+16)17899+1787942+79+7957215002573002548100V 谆516800唱20(ab) c = a ( bc)2.73 0.89 1.274.37 0.28 1.63 5.72abc = a ( b c)10 0.432 2.5689.35.26 2.7414.9（ 5.2 4.9）18.32 5.47 4.

36、32（ a b） c = a256.80.04（b c）0.2532E.1256.4 3.253.5c （ a+b）0.45201+0.58c b10.150.2994.79.93.285.7 6.725.72.1992.123 0.1 + 2.3 9.90.18+4.26 0.18+ 4.260.581.30.581.37.3 牛+ 2.7 0253.750.5 2.7525.260.125 +2.74 8a 4b6.34c= a （4 b14.8c)9.5（1.98）12.8（0.41.6）930 4）.6 563.44.5 0.4（7.7 + 1.54） 40.76.9+ 4.8+ 3.

37、115.89+ （6.755.89）7.85+ 2.340.85+ 4.6635.61.815.67.213.75（3.75+ 6.48）47.87.45+2.550.25 32 0.1254.8 100.166.868.66 1.342 .5 (4 +0.4)0.25 16.2 4(1.250.125) 84.2 3956.5 3.9 + 56.57.09 310.80.8 37.093.83 34.56+3.83 35.443.6534.736.5 30.3713.7 3.25 3.7 -410.7 16.1-1.1 10.7 +10.7 5 X5.4 11-5.4倍数问题 (11 :53

38、 :14)1.甲水池有水 2600 立方米，乙水池有水 乙水池，那么多少分钟后，乙水池里的水是甲水池的1200 立方米。如果甲水池里的水以每分钟 23 立方米的速度流入4 倍？2.甲水池有 42 吨水，乙水池有 22 吨水。现同时从两个水池中向外排水，排水速度是每分钟 钟后，甲水池的水是乙水池的 6 倍？2吨，多少分3.两个数的和是 161.7，把较大数的小数点向左移动一位后就和较小数相等，这两个数各是多少？4.兄弟俩的年龄相差 5 岁，兄 3年后的年龄是弟 4年前的 3 倍，兄弟两人今年各多少岁？5.某工程甲队独做 50 天可以完成，乙队独坐 75天可以完成。现在两队合做，但是中途乙队因另有任务调 走了若干天，从开工后40 天才把这项工程做完。乙队中途离开多少天？6.有 16 位教授，有人带 名研究生的教授人数和带1 名研究生，也有带 2 名的，也有带 3 名的，他们共带了 27 名研究生，其中带2 名、 3 名研究生的教授人数一样多，问带 2 名研究生的教授有几人？7、养鸡场的母鸡只数是公鸡的 来养鸡场一共养了多少只鸡？6 倍，后来公鸡和母鸡各增加 60 只，结果母鸡的只数就是公鸡的 4 倍。原8、今年，爸爸的年龄是小明的6 倍，再过 4 年，爸爸的年龄就是小明的 4 倍。今年小明多少岁？9、原来