1、簡便計算題：1）6.94.83.1 0.4566.223.78 15.89(6.755.89)2）4.025.40.98 5.171.83.2 13.75(3.756.48)3）3.687.562.68 7.852.340.854.66 35.61.815.67.24）3.822.90.189.1 9.64.83.6 7.140.532.475）5.272.860.661.63 13.354.682.65 73.81.6413.85.366）47.87.45+8.8 0.398+0.36+3.64 15.75+3.590.59+14.257）66.868.661.34 0.2516.24 (1

2、.250.125)88）3.6102 3.723.56.283.5 36.83.96.19）28.610128.6 4.87.8780.52 324.90.9 10）4.8100.1 56.59.956.5 7.0910.80.87.0911）25.48(9.40.52) 4.23.5 3201.258 12）18.769.918.76 3.522.50.4 3.94.16.15.913）5.63.5 9.60.80.4 4.2994.2 14）17.8(1.784) 0.491.4 1.252.532 15）15.20.254 0.89100.1 146.5(2346.5)16）3.834.

3、563.835.44 4.3612.58 9.7999.7 17）27.53.77.53.7 8.542.50.4 0.65101 18）(45.932.7)80.125 3.140.6831.40.032 5.61.250.82.50.419）7.20.22.41.4 8.91.01 7.74（2.81.3）1.52.2620）3.92.73.97.3 181.80.1250.8 12.79.91.27 21）21（9.33.7）5.6 15.02-6.8-1.02 5.411-5.4 22）2.316+2.323+2.3 9.43-（6.28-1.57） 3.654.736.50.37 2

4、3）46572386 13.70.253.74 2.229.9+6.666.7 24）1010.87-0.9187 10.716.1-15.110.7 0.79199 25）4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 26）2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.9827）0.134+2.66+0.866 1.27+3.9+0.73+16.1 7.54.96.5 28）3.070.381.62 1.293.72.716.3 82.451.5529）3.251.790.591.75 23.40.813.47.2 0.3240330）3.20.364.81.64 1.233.40.236.6 0.253631）12.7（3.70.84） 36.541.764.54 0.250.73432）7.60.80.27.6 0.85199 0.258.54 33）1.288.60.728.6 12.