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1、1、2、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 2/7 17. 4/5 25/16 + 2/3 3/4 18. 14 8/7 5/6 12/15 19. 17
2、/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 + 4/326. 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 31.50+1604032.120-14418+35 33.347+452-416052 34(58+37)(64-95) 35.95(64-45) 36.1
3、78-14556+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 46.7.20.8-1.25 47.6.5(4.8-1.24)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 1.(7.1-5.6)0.9-1.15
4、2.5 2.5.42.6(3.7-2.9)+0.62 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 7.314-202 8.526+301 9.223-99 10.6.25+3.85-2.125+3.875 11.9-2456*21 12.0.5/11.5-4*2.75 13.1/23/5 14.3.375+5.75+2.25+6.625 15.1001903618 16.3.85.25+14.5 17.2.1*4.3+5.7*2.1 18.301/3 19.102*45-328 20.2/
5、31221.2.8*3.1+17.6/8 22.3/55/6 23.(50-12.5)/2.5 24.2/51/3 25.6110*47+639 26.1/2-1/6 27.3.5*2.7-52.2/18 28.1/71/5 29.3.375*0.97+0.97*6.625 30.254/5 31.6.54+2.4+3.46+0.6 32.5/6-1/2 33.95.6*1.8+95.6*8.2 34.420+580-64212835.(136+64)(65-34523)36.3.2(1.5+2.5)1.637、38、39.12.37-3.25-6.75 40.16*6.8+2.2*16+16
6、 41.401*19+284 42.58.7-16.65/3.7 43.0.4*4.7*2.5+(2.3+5.3) 44.9.31-1.125-7.875 45.640+128*4546.8.2*1.6-0.336/4.247.400*(0.62+0.08)48.120-36449.（58+37）（64-95） 50.(6.8-6.80.55)8.518+351. 3/7 49/9 - 4/3 2. 8/9 15/36 + 1/27 3. 12 5/6 2/9 34、5、6、7. 8 5/4 + 1/4 8. 6 3/8 3/8 6 9. 4/7 5/9 + 3/7 5/9 10. 5/2 -
7、( 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 + 1/3 24. 5/7 3/25 + 3/7 25. 3/14 2/3 +
8、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 34.50+16040 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+3111) 41.85+14(14+20826) 42.126(12-7
9、.2)-6 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 48.6-1.6449.7.20.8-1.25 50.6.5(4.8-1.24)51、52、53、54.5.42.6(3.7-2.9)+0.62 55.126(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) 61.15-10.750.4-5.7 62.18.1
10、+(3-0.2990.23)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)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-(148.4-90.85)2.5 76. 76.(2
11、5%-695%-12%)*36 77./4*3/5+3/4*2/5 78.1-1/4+8/9/7/9 79.0+1/6/3/24+2/21 80.0/15*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 85.0+5268.32-2569 86.3+456-52*8 87.5%+6325 88.1/2+1/3+1/489.15/16+(7/16-1/4)1/290.0.25*2.69*4 91.2348+275*16 92.2/9*15/8-1/12*9/5 93.2.4+2.4*(5.
12、375-3.375) 94.645-45*12 95.0.15+1.2/0.24-0.45 96.3.75-(2.35+0.25/1.25) 97.76*1/4+23*25/100+0.25 98.10-2.87-7.13 99.0.96+9.6*9.9 100.1.75-5.7*1/3 1.(5.84-3.9)/0.4+0.15*0.922.4.38/(36.94+34.3*0.2)3.(284+16)*(512-8208/18)4.5.4/2.6*(3.7-2.9)+0.625.(7.1-5.6)*0.9-1.15/2.56.32.52-(6+9.728/3.2)*2.57.5.8*(3.87-0.13)+4.2*3.78.8/9*15/16*(7/16-1/4)/1/29.5 1/2-1.04*(1 2/3+5/6)/2.910.6 3/7 /3/7-(7-0.5)*1/411.(0.75+0.2)/0.25*25%+12/0.75+7.2/2.412.1.21*42-(4.46+0.14)*1375+450/18*2513.1+0.45/0.9-0.75-168.1/(4.3*2-0.4)14.605*8+3.5-44+10.9-(6.6+0.125/12.5%)26.452/3+1/31527.7/19+12/195/
