五年级小数、分数简便运算练习题

1、73.8 1.64 13.8 5.3666.86 8.66 1.340.25 16.2 M五年级小数、分数简便运算练习题3.72 3.5+6.28 3.536.8 3.9 6.1 25.48 (9.4 0.52)4.8 7.8 + 78X0.523.6 1026.4 0.25+3.6 刃32 4.9 0.94.8-4.8 0.5(1.25 0.125) 84.8 100.156.5 9.9 + 56.57.09 M0.80.8 7.094.02 5.4 0.985.17 1.8 3.213.75 (3.75 6.48)3.68 7.56 2.687.85 2.34 0.85 4.6635.6

2、1.8 15.6 7.23.82 2.9 0.18 9.19.6 4.8 3.67.14 0.53 2.475.27 2.86 0.66 1.6313.35 4.68 2.6547.8 7.45+8.827.5 3.7-7.5 3.78.54 2.5 -0.43.83 M.56 + 3.83 5.444.2 -3.5320+1.25 818.76 9.9+ 18.763.52 -2.5 -0.44.78 -0.2+3.443.9-4.1 +6.1 -5.90.49 T.41.25 2.5 323.6-0.6 23.65 M0.13.6-3.6 0.815.2 -0.25 刃5.6 -3.59.

3、6 t.8 -0.44.2 99 + 4.20.89 M00.1146.5 -(23 + 46.5)17.8 中1.78 冲)5.83 2+4.27(45.9 - 32.7) 8R.1259.7 99 + 9.7640X75355690X63568 + 975-34568 + 975 W4520.5-1.074-8.35 550.425 0,38 -0,0120.5-1.074-8.35 5552.8 -0.75 0.25(2448 + 864)攵3727 + 9660+30 X25586-45 81 攵758-45 X80 攵53.68 -4.6 + 6.32368 W6 + 6321.3/

4、749/9 - 4/32. 8/9W/36 + 1/273. 125/6 - 2/9 34. 8 5/4 + 1/45. 6 3/8 - 3/8 66. 4/75/9 + 3/75 /97. 5/2 -(3/2 + 4/5 )8. 7/8 +(1/8 + 1/9 )9. 95/6 + 5/610. 3/48/9 - 1/311. 7 5/49 + 3/1412. 6X 1/2 + 2/3 )13. 8 4/5 + 811/514. 315/6 5/615. 9/7 - ( 2/7 - 10/21 )16. 5/9 馅-14 2/717. 4/525/16 + 2/33/418. 14 8/7

5、5/6 12/1519. 17/32 3/4 9/2420. 3 279 + 1/321.5/73/25 + 3/722. 3/14 M/3 + 1/623. 1/52/3 + 5/624. 9/22 + 1/111/ 225. 5/38/5 + 4/326. 45 2/3 + 1/31527. 7/19 + 12/195/628. 1/4 + 3/42/329. 8/721/16 + 1/230. 1011/5 - 1/5 21简便:1. 5/2 - ( 3/2 + 4/5 )2. 7/8 + ( 1/8 + 1/9 )3. 5/6 + ( 1/2 + 2/3 )4.9/7 - ( 2/7 - 10/21 )5.3/7 + 49/9 + 4/76.8/9 + 15/36 + 3/277. 5/2 - (3/2 + 4/5 )8. 7/8 + (1/8 + 1/9 )9. 9/7 - (2/7 - 10/21 )10. 1/5 + (3/7 + 8/10 )10.8/15 + 7/3 - 8/5分数脱式：1. 1/3 + 3/4 + 1/52. 3/8 + 8/3 - 1/23. 5/6 + 1/12 + 3/44. 30/46 - 1/2 + 7/235. 8/11 + 2