小学数学简便运算练习题

1、小学数学简便运算练习题 (138)125 20(175) 14205 27638+27662 25(4032)(57)80 8141256 162554 25134 3125 2345 40735 25645 3475-1999 2843-598 (86)125 4825125 259+468+741+532 3625 (15+25)2 3700-2185-815 1225 2825 125(8+4) 25(8+40) 12524 2524 162519 32125 44250 12556 201253 724-298 2516 752524 345+497 16(37+12) 4819+52

2、19 64125 2548 (25+7)4 32+144+68+56 847-29747253 60(15+500) 248+198 435+1999 8(125+9) 4618+5418 (400+16)5 1704+804 10356 1368+1332 (2+4)15 5(20+6) 823+827 96+49 629+671 5116+584 (125+12)8 29317+31771 9914 7599+75 10236 4980+80 230-216-184 48125 (2530)4 1881252 125(86) 2544 420755 679+339 4(2530) 4(25

3、+150+75) 1215+1235 3225 135+415+265 5(18+20) 5298 999+99 365+365 3899+38 5(1820) 31128-2831 (25+250)4 (125125)8 4610130.814(9.851.07) 60(9.528.9)0.182.8810.430.243.5 20(2.441.8)0.40.1528-(3.4+1.252.4) 2.557.1+2.457.1 7779+111130.815.5-(3.21+5.79)（31.8+3.24）5 31.54(6+3)0.64257.8+2.2 22.5+2.52 19464.8

4、1.80.936.724.259.9 51807056 242.42.50.8(4121+2389)7 67115-974 46912+1492405(3213-3189) 3.416（0.01635） 0.8(106.76)1.219.46.12.3 5.670.2-0.62 18.10.92+3.930.0430.24+0.875 0.40.70.25 0.75102 100-56.230.78+5.436+1 4.070.86+9.12.51、89+124+11+26+48 2 2、875-147-23325125408 4 4、1478+8535、12564 6 6、0.91.080.

5、920.1用简便方法计算89+124+11+26+48 875-147-23 1478+853 12564计算下面各题1280840245 2 285(95144024)358870(105202) 480400(430087015)514372727563 681432(135278)7125(331) 837.4(8.67.246.6)计算：（1）156107-7729（2）37.85-（7.85+6.4）（3）2875+96990318（4）1554（72-58）3脱式计算2800 100789 （947599）7664136(91327623) 2(932521)93507136349

6、8 4723(521504)2553841223371 6(3921)(3966)（1）156(17.7-7.2)3（2）37.85-（7.85+6.4） 30（3）28(5+969.9318)（4）81（72-54）9571256035 8486401612 960（15003245）70425192（5438）67 138254 (13125)(38) (12+24+80)50 2532125 32(25+125) 178101178 8436+6484 7599+275 83102832 98199123181233+85123 50(344)3 25（24+16）17899+17879

7、42+79+7957 7300254 8100475 7527+192 531870+13310 4(2565+2528) 138254 (13125)(38)(12+24+80)50 2532125 32(25+125) 10276 5898178101178 8436+6484 7599+275 8310283298199 123181233+85123 50(344)3 25（24+16）17899+178 7942+79+7957 7300254 81004751740 10063 3.21.68 2.80.4147.4 1.920.04 0.32500 0.654.35105.4 4

8、20 3.5200 1.50.060.7515 0.40.8 40.25 0.361.541.0199 42035 2512 1350.53/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =0.5117 32.819 5.21.3 1.60.44.90.7 15 612 0.870.491740 10063 3.21.68 2.80.4147.4 1.920.04 0.32500 0.654.3510

9、5.4 420 3.5200 1.50.060.7515 0.40.8 40.25 0.361.541.0199 42035 2512 1350.53/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =0.5117 32.819 5.21.3 1.60.44.90.7 15 612 0.870.49158+262+138375+219+381+22550012471021232（181+2564）+27

10、19378+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)5070425253212532(25+125)881251027658981781011788436+64847599+275831028329819

11、9123181233+8512350(344)325（24+16）17899+1787942+79+79577300254810047516800120301002100320004004970070012482431501548002521500125附加题：2356（1356721）1235（17801665）7527+192 531870+133109999+99.99+999.9+9.999 5.41.8+2401.5900072(1.250.78)61-(1.25+2.50.7)(10-0.8)+9.85-20.12532*3.2567833-512+5268.32-2569123+

12、456-52*8789+456-78181+2564）+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755(2187+755)2214+638+28630657381065138254(13125)(38)(12+24+80)50253212532(25+125)1781011788436+64847599+27583102832123181233+8512350(344)325（24+16）17899+1787942+79+7957730025481

13、00475158+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+28630657381065235718331735723651086214138254(13125)(38)(12+24+80)50253212532(25+125)1781011788436+64847599+27583102832123181233+

14、8512350(344)325（24+16）17899+1787942+79+7957730025481004752356（1356721）1235（17801665）7527+192 531870+133104(2565+2528)2.73 0.89 1.274.37 0.28 1.63 5.7210 0.432 2.5689.3 5.26 2.7413.4（3.45.2）14.9（5.24.9）18.32 5.47 4.3217.29 5.28 6.2925 6.8 0.040.25 32 0.1256.4 1.25 12.53.28 5.7 6.72 5.72.1 99 2.11.7 9

15、.9 0.1723 0.1 2.3 9.90.18 4.26 0.18 4.260.58 1.3 0.58 1.37.3 4 2.7 0.253.75 0.5 2.75 25.26 0.125 2.74 89.5 （1.9 8）12.8 （0.4 1.6）930 0.6 563.4 2.5 0.4（7.7 1.54） 0.7（11.7 9.9） 0.96.94.83.115.89(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. 2532 0.1252 .5 (

16、4 +0.4)(1.250.125)856.59.956.55.411-5.43.834.563.835.447.0910.80.87.093.654.736.50.3713.70.253.7410.716.1-1.110.7 +10.7 53.9（1.35）63.42.50.41.2+8.9+0.12+1.14(2565+2528)5.7-1.8= 2) 9984= 3) 1.024= 4) 7.34-4=0.450.15= 6) 8000.03= 7) 3.27-1.27+4.9= 8) 1125=0.1450= 10) 0.810.27= 11) 0.240.5= 12) 18.2+1.

17、1.53= 14) 0.1630= 15) 5.38+0.45+1.55= 16) 0.560.8=3.60.09= 18) 8000.03= 19) 2000.16= 20) 279300=0.560.07= 22) 1.53= 23) 0.423= 24) 46.7-3.8=5.213= 26) 7.34-4= 27) 4.80.3= 28) 0.65100=5.7-1.8= 30) 4.30.5= 31) 2000.16= 32) 0.830.1=1.62= 34) 5.4400= 35) 0.1450= 36) 10-4.18= 80.01400= 38) 0.830.1= 39) 0

18、.35+1.45= 40) 8000.03=0.240.5= 42) 1.54+0.7= 43) 2.4+8.06= 44) 3.14+1.36=0.65100= 46) 1.62= 47) 9.60.8= 48) 2.40.8=2.793= 50) 7-0.23= 51) 1.50.5= 52) 0.420.70.6=600.8= 54) 73.5= 55) 3.27-1.27+4.9= 56) 81.03=0.854= 46) 4.5+6.3= 47) 0.71.2= 48) 2.50.4=5.41.8+2401.5900072(1.250.78)61-(1.25+2.50.7)(10-0

19、.8)+9.85-20.12532*3.2567833-512+5268.32-2569123+456-52*8789+456-78181+2564）+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755(2187+755)2214+638+28630657381065138254(13125)(38)(12+24+80)50253212532(25+125)1781011788436+64847599+27583102832123181233+8512

20、350(344)325（24+16）17899+1787942+79+795773002548100475158+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+28630657381065235718331735723651086214138254(13125)(38)(12+24+80)50253212532(25+

21、125)1781011788436+64847599+27583102832123181233+8512350(344)325（24+16）17899+1787942+79+7957730025481004752356（1356721）1235（17801665）7527+192 531870+133104(2565+2528)2.73 0.89 1.274.37 0.28 1.63 5.7210 0.432 2.5689.3 5.26 2.7413.4（3.45.2）14.9（5.24.9）18.32 5.47 4.3217.29 5.28 6.2925 6.8 0.040.25 32 0.

22、1256.4 1.25 12.53.28 5.7 6.72 5.72.1 99 2.11.7 9.9 0.1723 0.1 2.3 9.90.18 4.26 0.18 4.260.58 1.3 0.58 1.37.3 4 2.7 0.253.75 0.5 2.75 25.26 0.125 2.74 89.5 （1.9 8）12.8 （0.4 1.6）930 0.6 563.4 2.5 0.4（7.7 1.54） 0.7（11.7 9.9） 0.96.94.83.115.89(6.755.89)7.852.340.854.6635.61.815.67.213.75(3.756.48)47.87.

23、45+2.5566.868.661.340.2516.240. 2532 0.1252 .5 (4 +0.4)(1.250.125)856.59.956.55.411-5.43.834.563.835.447.0910.80.87.093.654.736.50.3713.70.253.7410.716.1-1.110.7 +10.7 53.9（1.35）63.42.50.4（7.71.4）0.718 （2+9）57.26(5.261.5) 得分158+262+138 375+219+381+225 50012471021232（181+2564）+2719 378+44+114+242+222

24、 276+228+353+219(375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+999997755(2187+755) 2214+638+286 30657381065899+344 2357183317357 23651086214497299 2370+1995 3999+4981883398 1225 7524138254 (13125)(38) (12+24+80)50简便计算练习题2姓名得分70425 2532125 32(25+125)88125 10276 5898178101178 8436+6484 7599+2758

25、3102832 98199 123181233+8512350(344)3 25（24+16）17899+1787942+79+7957 7300254 810047516800120 301002100 32000400 2150012549700700 124824 315015 480025 简便计算练习题3姓名得分2356（1356721）1235（17801665）7527+192 531870+13310 4(2565+2528)第一种(300+6)x1225x(4+8) 125x(35+8) (13+24)x8第二种84x101 504x25 78x102 25x204第三种99

26、x64 99x16638x99 999x99第四种99X13+1325+199X25 32X16+14X3278X4+78X3+78X3第五种125X32X825X32X125 88X125 72X125简便计算练习题4姓名得分第六种3600254 810047530001258 1250255第七种1200-624-762100-728-772273-73-27 847-527-273第八种278+463+22+37 732+580+2681034+102425+14+186第九种214-（86+14） 787-（87-29）365-（65+118）455-（155+230）第十种576-2

27、85+85 825-657+57 690-177+77 755-287+87第十一种871-299 157-99 363-199 968-599第十二种178X101-17883X102-83X217X23-23X735X127-35X16-11X35简便计算练习题5姓名得分容易出错类型（共五种类型）600-601520X420X4736-35X20 25X425X498-18X5+2556X856X8280-80 412X612X6175-752525X825X880-20X2+6036X936X936-366-625X8（25X8）100+45-100+4515X97+3100+1-100

28、+148X99+11000+8-1000+8 5+95X28102+1-102+1 65+35X1325+75-25+75 40+36020-1013+24X8 672-36+64324-68+32100-36+64简便计算练习题6姓名得分26396126 3569569 995555 7810178 5276477676 134561344513448522448 2523（404）999999199918498 695202 864199 738301380476120 （569468）（432131） 7042525614753 37312929 189（8974）28425 12532

29、25 972125简便计算练习题7姓名得分720165 63042 456（25636）10235 9842 158+262+138 375+219+381+225 50012471021232 （181+2564）+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125)(2130+783+270)+101799+999+9999+99999 7755(2187+755) 2214+638+28630657381065 899+344 235718331735723651086214 497299 2370+1995简便计算练习

30、题8姓名得分3999+498 1883398 1225 7524138254 (13125)(38) (12+24+80)50 2532125 32(25+125) 88125 10276178101178 8436+6484 7599+275 98199 123181233+85123 50(344)325（24+16）17899+178 7942+79+79577300254 8100475 158+262+138简便计算练习题9姓名得分124824 315015 480025 21500125375+219+381+225 50012471021232 （181+2564）+271937

31、8+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999 7755(2187+755) 2214+638+286 30657381065 899+3442357183317357 23651086214 4972992370+1995 3999+498 1883398 简便计算练习题10姓名得分1225 7524 138254 (13125)(38) (12+24+80)50 70425 2532125 32(25+125) 88125 10276 5898 178101178 8436+64847599+275 83102832 98199123181233+85123 50(344)3 25（24+16）17899+178 7942+79+7957 215001257300254 8100475 16800120 简便计算练习题11姓名得分（ab）c = a（bc)2.730.891.27 4.370.281.635.72abc = a（bc）100.4