小数脱式计算(16页).doc

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1、-脱式计算（能简算的要简算）2.57.14 16.129916.12 5.20.90.9 642.640.57.2899+7.28 4.3500.2 (2.275 0.625)0.28 3.69.85-5.463.94+34.30.2 1.2(9.62.4)4.8 2615.7+15.724 8.053.4+7.6 6.584.50.9 2.80.5+1.58 2.75.43.9324.90.9 4.84.80.5 (1.250.125)8 8.91.14.7 4.8100.1 56.59956.5 7.0910.80.87.094.85+0.351.4 8.7 17.4-8.77.4 9.5

2、101+3.810.1 12.50.42.58 0.873.16+4.64 0.68 （5.2 -3.5）1.25 40.5 0.810.18 4.8（152.4） 2.130.82.56.81+6.8199 0.2518540 4.40.83.40.8 9.599 (9.37+937+9.37+937) 2.5 4.21.751.81.75 3.810.12.376.3+2.373.7 2.51.250.32 2.5(3.80.04) 7.69101 0.2539+0.25 0.12572 460.33+540.33 36.724.259.9(85.27) 1.25 6.81+6.8199

3、0.2518540 12.58.8 6.80.750.5 3.750.1252.75 1.53+23.47.2 13.50.98 4.070.86+9.1 25.670.2-0.62 18.10.92+3.93 0.04324+0.875 0.40.70.250.78+5.436+1 36.724.259.9 3.416（0.01635）0.8(106.76)1.2 (6.8-6.80.55)8.5 0.12 4.80.124.89.721.6-18.3057 3.2（1.5+2.5）1.6 3.26+（1.5+2.5）1.6（3.21.5+2.5）1.6 0.12 4.80.124.8 0.

4、815.5-(3.21+5.79) 19.46.124（31.8+3.24）5 31.54(6+3) 0.64257.8+2.2 22.5+2.52 19464.81.80.9 36.724.259.9 5.670.2-0.62 0.8(106.76)1.2 18.10.92+3.930.40.70.25 0.75102 10.189-8.99.07-22.783.4 5+7(8+12)(4-2) 2.641.7-2.640.731.51.07-3.150.7 2.75.7-2.7+5.32.7 0.6250.1250.818.66.1+3.918.6 52.5x2.9+5.45 0.92x1

5、5+0.08x15 0.721.252.5400.6x7-2003x0.4 1.25(8+10) 1.24+0.78+8.76 3.2x0.125x2.50.4125250.8 14.86.3-6.36.5+8.33.7 1.24+0.78+8.761.8+181.5-0.50.3 6.58+3.58-47 1.24+0.78+8.76 3.7x2.56-2.3 3.2x0.125x2.5 0.4125250.81.248.3+8.31.76 1.24+0.78+8.7614.86.3-6.36.5+8.33.7 10.189-8.9 98.49898.42 0.1250.2584 7.40.

6、28+0.282.6 4.80.9+0.48 （40.4）2.5 （5.13.6）0.810.09 （77.43.0960.4）0.0330.1（6.072.53）0.7 0.942.50.09475 38.5-5.5+1.59.28139.2849.28 97.2（54.845.2）（65.46）8.5-（3.6+3.6） 2.6 10.187 1.4（7.5+38.4）0.96.94.83.1 0.4566.223.78 15.89(6.755.89) 36.8-1.5+3.2 4.025.40.98 5.171.83.213.75(3.756.48) 54.8-2.57-3.43 3.6

7、87.562.687.852.340.854.66 35.61.815.67.23.822.90.189.1 9.64.83.6 7.140.532.47 50.7-5.07-5.93 73.81.6413.85.365.272.860.661.63 13.354.682.65 47.8-7.45+8.8 0.398+0.36+3.64 15.75+3.59-0.59+14.25 21.9-2.19-2.91 66.86-8.66-1.34 0.2516.24 (1.25-0.125)8 9.1+5.9+0.9+0.1 3.61023.723.5+6.283.5 36.8-3.9-6.1 32

8、01.25815.613.1-15.6-15.62.1 4.87.8780.52 324.9-0.9 4.8100.1 56.59.956.5 7.0910.8-0.87.09 25.48-(9.4-0.52) 18.769.918.76 3.522.50.4 12.5723.94.16.15.9 9.60.80.4 4.2994.2 0.89100.117.8(1.784) 1.252.532 3.6510.1 7028 15.20.254 146.5(2346.5) 9300.65 4.91.4 3.834.563.835.44 4.3612.58 9.7999.7 4.51.8 27.5

9、3.77.53.7 8.542.50.4 3.20.2512.5 (45.9-32.7)80.125 3.140.68+31.40.032 5.61.250.82.50.47.20.2+2.41.4 7.74（2.8-1.3)+1.52.26 0.79199 3.9+1.8+1.13.92.7+3.97.3 18-1.80.1250.8 12.79.9+1.27 250.8 21（9.3-3.7）-5.6 15.02-6.8-1.02 5.411-5.4 33.7+1.112.316+2.323+2.3 9.43-（6.28-1.57） 3.654.7-36.50.37 4657+2386 1

10、3.70.25-3.74 2.229.9+6.666.7 639.360.40.8 1.377.3+0.0091010.87-0.9187 10.716.1-15.110.7 4.8+8.63+5.2+0.37 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.54.96.5 3.070.381.62 1.293.72.716.3 82.451.553.251.790.591.75 23.40.813.47.2 0.324033.20.364.81.64 1.233.

11、40.236.6 0.253612.7（3.70.84） 36.541.764.54 0.250.7347.60.80.27.6 0.85199 0.258.54 1.76+0.195+3.24 1.288.60.728.6 12.50.960.8 10.49.60.350.8（4.31.25） 3.123.1299 28.610128.60.8615.70.8614.7 2.4102 2.311.20.5 5.93+0.19+2.81 147.322.68 2.648.677.3611.33 （7.71.54）0.7 （2.50.25）0.4 9.161.50.59.16 3.63.60.5

12、63.42.50.4 3.9（1.35） 2.52.4 2.745 15（0.150.4）0.351.2520.8 32.40.90.132.4 150.25 1.80.50.6 639.360.40.8 1.80.50.6 3.260.52+3.260.48+7.04 0.557.1+2.457.1 18.5(5.50.55) 7.427.6+73.47.4 3.6+2.4+16.4+7.6 15.8-2.3-5.8+6.3 0.2516.24(1.250.125)8 3.6102 4.810.1 4.87.8780.52 3.723.56.283.515.62.115.61.1 56.59

13、956.5 7.0910.80.87.09 3.140.68+31.40.032 1.879.90.1874.2994.2 1.252.532 3.834.563.835.44 4.3612.58 9.7999.7 27.53.7-7.53.7 7.20.2+2.41.43.20.2512.50.65101 7.74（2.8-1.3）+1.52.26 3.92.7+3.97.3 12.79.9+1.27 5.411-5.4 2.316+2.323+2.3 3.654.7-36.50.37 4657 2386 2.229.9+6.666.71010.87-0.9187 10.716.1-15.110.7 0.391990.32403 8.91.010.25360.250.734 3.6510.1 12.50.960.84.23.5 10.60.359.60.357.60.80.27.60.258.54 -第 16 页-