1、简便运算题1. 3/7 49/9 - 4/3 2. 8/9 15/36 + 1/27 3. 12 5/6 2/9 3 4. 8 5/4 + 1/4 5. 6 3/8 3/8 6 6. 4/7 5/9 + 3/7 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 5/6 + 5/6 10. 3/4 8/9 - 1/3 11. 7 5/49 + 3/14 12. 6 ( 1/2 + 2/3 ) 13. 8 4/5 + 8 11/5 14. 31 5/6 5/6 15. 9/7 - ( 2/7 10/21 ) 16. 5/9 18 14 2/
2、7 17. 4/5 25/16 + 2/3 3/4 18. 14 8/7 5/6 12/15 19. 17/32 3/4 9/24 20. 3 2/9 + 1/3 21. 5/7 3/25 + 3/7 22. 3/14 2/3 + 1/6 23. 1/5 2/3 + 5/6 24. 9/22 + 1/11 1/2 25. 5/3 11/5 + 4/3 26. 45 2/3 + 1/3 15 27. 7/19 + 12/19 5/6 28. 1/4 + 3/4 2/3 29. 8/7 21/16 + 1/2 30. 101 1/5 1/5 21 31.5016040 32.120-14418+3
3、5 33.347+452-416052 34(58+37)(64-95) 35.95(64-45) 36.178-14556+42 37.812-700(9+3111) 38.85+14(14+20826) 39.(284+16)(512-820818) 40.120-36418+35 41.(58+37)(64-95) 42.(6.8-6.80.55)8.5 43.0.12 4.80.124.8 44.(3.21.5+2.5)1.6 45.6-1.64= 5.38+7.85-5.37= 46.7.20.8-1.25= 6-1.193-0.43= 47.6.5(4.8-1.24)= 49.5.
4、8(3.87-0.13)+4.23.74 50.32.52-(6+9.7283.2)2.5 51.(7.1-5.6)0.9-1.15 2.5 52.5.42.6(3.7-2.9)+0.62 53.126(12-7.2)-6 (54)1267.2-6 (55)0.681.9+0.321.9 (56)(58+370)(64-45) (57)420+580-642128 (58)(136+64)(65-34523) (59)48.10.15-10.750.4-5.7 1.18.1(30.2990.23)1 2.(6.8-6.80.55)8.5 3.0.12 4.80.124.8 4.(3.21.5+
5、2.5)1.6 (2)3.2(1.5+2.5)1.6 5.6-1.64= 5.38+7.85-5.37= 6.7.20.8-1.25= 6-1.193-0.43= 7.6.5(4.8-1.24)= 0.681.9+0.321.9 8.10.15-10.750.4-5.7 9.5.8(3.87-0.13)+4.23.74 10.32.52-(6+9.7283.2)2.5 11.(7.1-5.6)0.9-1.15 2.5 12.5.42.6(3.7-2.9)+0.62 13.126(12-7.2)-6 14.1267.2-6 15.33.02(148.490.85)2.5 158+262+138
6、375+219+381+225 50012471021232 (181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999 7755(2187+755) 1.125*3+125*5+25*3+25 2.9999*3+101*11*(101-92) 3.(23/4-3/4)*(3*6+2) 4. 3/7 49/9 - 4/3 5. 8/9 15/36 + 1/27 6. 12 5/6 2/9 3 7. 8 5/4 + 1/4 8. 6 3/
7、8 3/8 6 9. 4/7 5/9 + 3/7 5/9 10. 5/2 -( 3/2 + 4/5 ) 11. 7/8 + ( 1/8 + 1/9 ) 12. 9 5/6 + 5/6 13. 3/4 8/9 - 1/3 14. 7 5/49 + 3/14 15. 6 ( 1/2 + 2/3 ) 16. 8 4/5 + 8 11/5 17. 31 5/6 5/6 18. 9/7 - ( 2/7 10/21 ) 19. 5/9 18 14 2/7 20. 4/5 25/16 + 2/3 3/4 21. 14 8/7 5/6 12/15 22. 17/32 3/4 9/24 23. 3 2/9 +
8、1/3 24. 5/7 3/25 + 3/7 25. 3/14 2/3 + 1/6 26. 1/5 2/3 + 5/6 27. 9/22 + 1/11 1/2 28. 5/3 11/5 + 4/3 29. 45 2/3 + 1/3 15 30. 7/19 + 12/19 5/6 31. 1/4 + 3/4 2/3 32. 8/7 21/16 + 1/2 33. 101 1/5 1/5 21 34.5016040 35.120-14418+35 36.347+452-416052 37(58+37)(64-95) 38.95(64-45) 39.178-14556+42 40.812-700(9
9、+3111) 41.85+14(14+20826) 43.120-36418+35 44.(58+37)(64-95) 45.(6.8-6.80.55)8.5 46.0.12 4.80.124.8 47.(3.21.5+2.5)1.6 48.6-1.64= 5.38+7.85-5.37= 49.7.20.8-1.25= 6-1.193-0.43= 50.6.5(4.8-1.24)= 51.5.8(3.87-0.13)+4.23.74 52.32.52-(6+9.7283.2)2.5 53.(7.1-5.6)0.9-1.15 2.5 54.5.42.6(3.7-2.9)+0.62 55.126(
10、12-7.2)-6 56.1267.2-6 57.0.681.9+0.321.9 58.58+370)(64-45) 59.420+580-642128 60.136+6(65-34523) 15-10.750.4-5.7 62.18.1(30.2990.23)1 63.(6.8-6.80.55)8.5 64.0.12 4.80.124.8 65.(3.21.5+2.5)1.6 66.3.26+(1.5+2.5)1.6 67.0.681.9+0.321.9 68.10.15-10.750.4-5.7 69.5.8(3.87-0.13)+4.23.74 70.32.52-(6+9.7283.2)
11、2.5 71.(7.1-5.6)0.9-1.15 2.5 72.5.42.6(3.7-2.9)+0.62 73.126(12-7.2)-6 74.1267.2-6 75.33.02(148.490.85)2.5 1) 76.(25%-695%-12%)*36 77./4*3/5+3/4*2/5 78.1-1/4+8/9/7/9 79.+1/6/3/24+2/21 80./15*3/5 81.3/4/9/10-1/6 82./3+1/2)/5/6-1/3/1/7 83./5+3/5/2+3/4 84.(2-2/3/1/2)*2/5 85.+5268.32-2569 86.3+456-52*8 8
12、7.5%+6325 88./2+1/3+1/4 2) 89+456-78 3) 5%+. 3/7 49/9 - 4/3 4) 9 15/36 + 1/27 5) 2 5/6 2/9 3 6) 3 5/4 + 1/4 7) 94 3/8 3/8 6 8) 95/7 5/9 + 3/7 5/9 9) 6/2 -( 3/2 + 4/5 ) 10) 8 + ( 1/8 + 1/9 ) 11) 8 5/6 + 5/6 12) 1/4 8/9 - 1/3 13) 10 5/49 + 3/14 14) 1.5 ( 1/2 + 2/3 ) 15) 29 4/5 + 8 11/5 16) 3.1 5/6 5/6
13、 17) 4/7 - ( 2/7 10/21 ) 18) 19 18 14 2/7 19) 5 25/16 + 2/3 3/4 20) 4 8/7 5/6 12/15 21) 7/32 3/4 9/24 22) 1、 2/31/21/42/5 2、 26/139/262/3 3、 2/91/24/53/8 4、 105/91/64 5、 1/22/59/109/20 6、 5/93/102/72/5 7、 1/21/44/51/8 8、 3/45/74/31/2 9、 238/91/271/27 10、 85/62/54 11、 1/23/45/124/5 12、 8/93/43/83/4 1
14、3、 5/85/43/239/11 23) 1.22.5+0.82.5 24) 8.91.25-0.91.25 25) 12.57.40.8 26) 9.96.4-(2.5+0.24)(27) 6.59.5+6.50.5 0.351.6+0.353.4 0.258.64 6.72-3.28-1.72 0.45+6.37+4.55 5.4+6.93-(25-2.5)241846-620-380 4.846+4.854 0.8+0.82.5 1.253.682.5-12.52.4 2812.5-12.520 23.65-(3.07+3.65) (4+0.40.25)871.25 1.6599+1.
15、65 27.85-(7.85+3.4) 481.25+501.250.28 7.89.9+0.78 (1010+309+4+681+6)12 391467826854 5.157/8+6.1-0.60625 1. 3/7 49/9 - 4/3 2. 8/9 15/36 + 1/27 3. 12 5/6 2/9 3 4. 8 5/4 + 1/4 5. 6 3/8 3/8 6 6. 4/7 5/9 + 3/7 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 5/6 + 5/6 10. 3/4 8/9 - 1/3 11. 7 5/49 +
16、3/14 12. 6 ( 1/2 + 2/3 ) 13. 8 4/5 + 8 11/5 14. 31 5/6 5/6 15. 9/7 - ( 2/7 10/21 ) 16. 5/9 18 14 2/7 17. 4/5 25/16 + 2/3 3/4 18. 14 8/7 5/6 12/15 19. 17/32 3/4 9/24 20. 3 2/9 + 1/3 21. 5/7 3/25 + 3/7 22. 3/14 2/3 + 1/6 23. 1/5 2/3 + 5/6 24. 9/22 + 1/11 1/2 25. 5/3 11/5 + 4/3 26. 45 2/3 + 1/3 15 27.
17、7/19 + 12/19 5/6 28. 1/4 + 3/4 2/3 29. 8/7 21/16 + 1/2 30. 101 1/5 1/5 21 31.5016040 (58+370)(64-45) 32.120-14418+35 33.347+452-416052 34(58+37)(64-95) 35.95(64-45) 36.178-14556+42 420+580-642128 37.812-700(9+3111) (136+64)(65-34523) 38.85+14(14+20826) 39.(284+16)(512-820818) 40.120-36418+35 41.(58+
18、37)(64-95) 42.(6.8-6.80.55)8.5 43.0.12 4.80.124.8 44.(3.21.5+2.5)1.6 (2)3.2(1.5+2.5)1.6 45.6-1.64= 5.38+7.85-5.37= 46.7.20.8-1.25= 6-1.193-0.43= 47.6.5(4.8-1.24)= 0.681.9+0.321.9 48.10.15-10.750.4-5.7 49.5.8(3.87-0.13)+4.23.74 50.32.52-(6+9.7283.2)2.5 51.(7.1-5.6)0.9-1.15 2.5 52.5.42.6(3.7-2.9)+0.62
19、 53.126(12-7.2)-6 (4)1267.2-6 1024.5 7.86.92.26.9 5.60.25 8(201.25) 1)127+352+73+44 (2)89+276+135+33 (1)25+71+75+29 +88 (2)243+89+111+57 9405-29402821 920-1680407 690+4752-398 148+332864-75 3602432+730 2100-94+4854 51+(2304-2042)23 4215+(4361-716)81 (247+18)2725 36-720(36018) 1080(63-54)80 (528+912)
20、5-6178 85284138-904 264+318-828069 (174+209)26- 9000 814-(278+322)15 1406+735945 3168-782838+504 796-5040(6307) 285+(3000-372)36 1+5/6-19/12 3x(-9)+7x(-9 (-54)x1/6x(-1/3) 1.18.1(30.2990.23)1 2.(6.8-6.80.55)8.5 3.0.12 4.80.124.8 4.(3.21.5+2.5)1.6 (2)3.2(1.5+2.5)1.6 5.6-1.64= 5.38+7.85-5.37= 6.7.20.8-
21、1.25= 6-1.193-0.43= 7.6.5(4.8-1.24)= 0.681.9+0.321.9 8.10.15-10.750.4-5.7 9.5.8(3.87-0.13)+4.23.74 10.32.52-(6+9.7283.2)2.5 11.(7.1-5.6)0.9-1.15 2.5 12.5.42.6(3.7-2.9)+0.62 13.126(12-7.2)-6 14.1267.2-6 45.55(6.8215.55) 34.5217.8712.23 6.43-(1.4-0.57)23.758.643.46 17.839.57.830.5 5.38+88.2-2.38+1.827
22、.385.342.624.66 21.63(8.59.63) 7.52.457.52.450.90.990.999 5.09(0.091.23) 9.36(4.363.5)609-708+306-108+202-198+497-100 14+15+16+45+469999+9998+9997+9996 9999926+33333221917559678 36.51.48.513.7 1.33.799.76.21 80.412.52.51/4+1/82/3-1/63/7+5/142/5-2/157/8-9/161/32+1/42/9+7/93/4-9/1625/32-3/83/5+13/1523
23、/25+1/521/25-1/53/14+2/7=2/3+1/9=5/7-3/14=7/9+1/18=19/21+3/7=23/35-1/5=3/4+1/16=3/8-1/16=5/9+4/9=8/17-7/17=1)1.25*17.6+36.1/0.8+2.36*12.5 (2)7.5*2.3+1.9*2.5 (3)2004/2003*2005 (4)276*543-267/276+543*275 (5)17/51+ (68/1+51/2)*17 (6)(3.25-0.8*8/5)/(6又4/1-3.5) 1. (25%-695%-12%)*36 2. 3/4*3/5+3/4*2/5 3.
24、(1-1/4+8/9)/7/9 4 2/3+1/6/3/24+2/21 5 1*8/15*3/5 6 10-3/4/9/10-1/6 7 (1/3+1/2)/5/6-1/3/1/7 8 2/3/5+3/5/2+3/4 9 1/(2-2/3/1/2)*2/5 10 1/2+1/3+1/4 12. 6 ( 1/2 + 2/3 ) 13. 8 4/5 + 8 11/5 14. 31 5/6 5/6 15. 9/7 - ( 2/7 10/21 ) 16. 5/9 18 14 2/7 17. 4/5 25/16 + 2/3 3/4 18. 14 8/7 5/6 12/15 19. 17/32 3/4 9
25、/24 20. 3 2/9 + 1/3 21. 5/7 3/25 + 3/7 22. 3/14 2/3 + 1/6 23. 1/5 2/3 + 5/6 24. 9/22 + 1/11 1/2 25. 5/3 11/5 + 4/3 26. 45 2/3 + 1/3 15 27. 7/19 + 12/19 5/6 28. 1/4 + 3/4 2/3 29. 8/7 21/16 + 1/2 30. 101 1/5 1/5 21 31.-|98|+76+(-87)*2356+(-75)-(7)-(8+4+3) 32.5+21*8/2-6-59 33.68/21-8-11*8+61 34.-2/9-7/
26、9-56 35.4.6-(-3/4+1.6-4-3/4) 36.1/2+3+5/6-7/12 37.2/3-4-1/4*(-0.4)/1/3+2 38.22+(-4)+(-2)+4*3 39.-2*8-8*1/2+8/1/8 40.(2/3+1/2)/(-1/12)*(-12) 41.(-28)/(-6+4)+(-1) 42.2/(-2)+0/7-(-8)*(-2) 43.(1/4-5/6+1/3+2/3)/1/2 44.18-6/(-3)*(-2) 45.(5+3/8*8/30/(-2)-3 46.(-84)/2*(-3)/(-6) 47.1/2*(-4/15)/2/3 48.-3x+2y-
27、5x-7y 49.2/31/21/42/5 50. 26/139/262/3 51.2/91/24/53/8 52.105/91/64 53.1/22/59/109/20 54.5/93/102/72/5 55.1/21/44/51/8 56.3/45/74/31/2 57.238/91/271/27 58.85/62/54 59.1/23/45/124/5 60.8/93/43/83/4 61.5/85/43/239/11 62.3/7 49/9 - 4/3 63.8/9 15/36 + 1/27 64.12 5/6 2/9 3 65.8 5/4 + 1/4 66.6 3/8 3/8 6 67.4/7 5/9 + 3/7 5/9 68.5/2 -( 3/2 + 4/5 ) 69.7/8 + ( 1/8 + 1/9 ) 70.9 5/6 + 5/6 74.8 4/5 + 8 11/5 76.9/7 - ( 2/7 10/21
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