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1、新人教五年级上册小数简便运算150题练习73.81.6413.85.36 66.868.661.34 0.2516.24 3.723.56.283.5 36.83.96.1 2 5.48(9.40.52) 4.87.8780.52 3.6102 324.90.9 4.84.80.5 4.8100.1 56.59.956.5 4.025.40.98 5.171.83.2 3.687.562.68 7.852.340.854.66 3.822.90.189.1 9.64.83.6 5.272.860.661.63 13.354.682.65 0.398+0.36+3.64 15.75+3.590.
2、59+14.25 6.40.253.64 (1.250.125)8 7.0910.80.87.09 (3.756.48) 35.61.815.67.2 7.140.532.47 47.87.45+8.8 42.5(6.071.13) 13.75 4.23.5 3201.258 18.769.918.76 3.522.50.4 0.491.4 3.6510.1 5.63.5 0.89100.1 5.8324.27 4.3612.58 4.780.23.44 3.94.16.15.9 1.252.532 3.60.62 3.63.60.8 15.20.254 9.60.80.4 4.2994.2
3、146.5(2346.5) 17.8(1.784) (45.932.7)80.125 9.7999.7 15.613.115.615.62.1 0.65101 27.53.77.53.7 8.542.50.4 3.834.563.835.44 6048975-3045 49839 604875-3005 6098935-1045 1048975-345 87829 9948275-304 64875-3005 40424758 6407535 68975-345 5690635 68975-345 68975345 64875-35 685975-345 68975-345 48975-304
4、 6048975-3045 20.5-1.074-8.355.5 48975-3045 548975-3045 6748975-5045 0.4250,380,01 74895-45 0.4250,380,01 20.5-1.074-8.355.5 52.80.750.25 45 23 32796643225 586-458127 3.684.66.32 60424758 60424758 72796603025 58-458025 36846632 64414858 40859 47839 27839 47819 1. 3/7 49/9 - 4/3 2. 8/9 15/36 + 1/27 3
5、. 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 - 8. 7/8 + 9. 9 5/6 + 5/6 10. 3/4 8/9 - 1/3 11. 7 5/49 + 3/14 12. 6 13. 8 4/5 + 8 11/5 14. 31 5/6 5/6 15. 9/7 - 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/
6、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 简便： 1. 5/2 - 2. 7/8 + 3. 5/6 + 4. 9/7 - 5. 3/7 + 49/9 + 4/7 6. 8/9 + 15/36 + 3/27 7. 5/2 - 8. 7/8 + 9. 9/7 - 10. 1/5 + 分数脱式：
7、 1. 1/3 + 3/4 + 1/5 2. 3/8 + 8/3 - 1/2 3. 5/6 + 1/12 + 3/4 4. 30/46 - 1/2 + 7/23 5. 8/11 + 2/6 + 7/33 6. 19/8 - 1/2 - 3/4 7. 7/25 + 3/10 - 2/5 8. 18/121 - 1/2 + 9/11 9. 6/17 - 1/51 - 1/34 10.8/15 + 7/3 - 8/5 4081224 60 425017155 321055 52 420 (4121+2389)7 67115-974 46912+1492 405(3213-3189) 5000-5623 125(97-81) 6942+4803 30432-154 20+804-20 1000 254-125 7018 7565+7535
