五年级小数、分数简便运算练习题-用于合并.pdf

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1、 .五年级小数、分数简便运算练习题 5.8324.27 (45.932.7)80.125 9.7999.7 4.3612.58 15.613.115.615.62.1 0.65101 27.53.77.53.7 8.542.50.4 3.834.563.835.44 6407535 5690635 68975-345 68975345 20.5-1.074-8.355.5 0.4250,380,01 20.5-1.074-8.355.5 52.80.750.25（2448864）23 72796603025 586-458127 58-458025 3.684.66.32 36846632 1

2、.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 2/7 17.4/5 25/16+2/3 3/4 18.14 8/7 5/6 12/15 19.17/32 3/4 9/24

3、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 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 +4/7 6.8/9+15/36+3/27 7.5/2-（3/2+4/5）8.7/8+（1

4、/8+1/9）9.9/7-（2/7-10/21）10.1/5+（3/7+8/10）分数脱式：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 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

5、3.6102 6.40.253.64 324.90.9 4.84.80.5 (1.250.125)8 4.8100.1 56.59.956.5 7.0910.80.87.09 4.025.40.98 5.171.83.2 13.75(3.756.48)3.687.562.68 7.852.340.854.66 35.61.815.67.2 3.822.90.189.1 9.64.83.6 7.140.532.47 .5.272.860.661.63 13.354.682.65 47.87.45+8.8 0.398+0.36+3.64 15.75+3.590.59+14.25 42.5(6.071.13)4.23.5 3201.258 18.769.918.76 3.522.50.4 4.780.23.44 3.94.16.15.9 0.491.4 1.252.532 3.60.62 3.6510.1 3.63.60.8 15.20.254 5.63.5 9.60.80.4 4.2994.2 0.89100.1 146.5(2346.5)17.8(1.784)