1、脱式计算:3.28423.28 3.2857 (4.457.41.5) 0.5 2.61.54.81.615.61.55.61.5 (15.65.61.5)0.5 1.250.81.250.8(3.270.4 0.4) 0. 25 15.4(3.252.50.7)0.52 4.7(2.61.7) (4.59.95.59.9)2.8 1.5820(5.46.7) 2.41.53.61.5 0.6(0.2+0.3) 3.61(7.25.3)25 0.2799+0.27 4.3(1.5+0.43 ) (8.4+0.28)7 7.899+3.92 7.4(3.74) 51.30.27+10.1 0.7
2、2(0.3+0.2)0.66.399+6.3 3.750.2(0.740.24) 7.28+0.94+2.72+0.06 7.84+0.730.84 0.459.61.2 7.381.45(0.4+0.05 ) 15.74.35.70.85( 4.20.4)0.23 1.6+0.41.6+0.4 78.4(0.7+4.26 )62.82.50.4 1100.11.4 12.40.4+5.62 4.9148.54+1.50.25 2.311.20.5 27.53.77.53.7 0.79199 6.210.1 5.41.8 35(0.352 ) 3.141.931.40.817.310.21.4
3、6 0.921.01 15.613.115.63.14.90.84.90.8 12.96(9.61.52) 1.20.251.34(4.86.4)8 40.50.811.05 97.50.39136.786.40.240.25 11.16(100.7) (30094.8)0.512.63.5(9.88.7) 0.648(0.40.5)0.6 15.89(6.755.89)7.852.340.854.66 35.61.815.67.2 0.2516.2460.9(13.535.37)10.8 4.8100.1 4.87.8780.523.53.50.9 5.861.81.2 4.14 25.48
4、(9.40.52)4.23.5 17.8(1.784) (102.154.6)8.51.252.532 15.20.254 9.24(2.83.2)0.5 (6.35 2.154.6)0.85 2.311.20.5 (2.50.25)0.4 10.49.60.352.57.5 (8.65 2.25) 600.98 28.83.219.23.257.63.657.66.4 7.2(3.61.2) (7.71.54)0.71.256.8 720.81 10.4 7.20.128.50.450.18300 18.10.92 3.93 3.760.2525.894.8352.46.23 5.51.50.12 4.078.69.125