1、0.58 0.118.8 5.035.3 34.88.7 1.610.23 98.60.16 6.14.55 三、简便计算。3.1 3.1 6.9 3.1 7.7 4.44 5.56 3.3( 7.5 4.5 ) 2 9.3 9.9 0.93 5.09 0.45 5.09 0.55 7.6 0.2 500 四、解方程。32x951 x4.39 5.3x1.1x9.66 10(x6)4.5 x5.180.8 10x0.86.2 5x343 x4.210 9.7x2.3x10.36 4(x5)81.5 x40.7 50x0.16.8 1.22 1.60.2 150.06 1.10.2 1.94 1
2、.80.3 110.05 1.10.5 12 2.80.2 10.3 0.212 1.84 1.80.2 0.130.4 1.20.8 680.87.4 6.850.89 0.021.4 2.696.1 210.86.2 4.770.53 69.80.19 6.51.32 6.3 6 14 6.3 6.1 4.06 5.94 11.9 0.5 ) 2 8.9 9.9 0.89 8.84 0.73 8.84 0.27 5.4 0.5 2 32x459 x1.97 8.3x0.3x19.2 4(x5)1.9 x0.30.4 8x0.49.6 16x541 x0.618 9.6x4.3x7.42 1
3、0(x3)66.4 x8.90.5 5x0.14.2 0.30.08 0.30.5 0.210.3 0.165 2.70.02 0.111.63 1.60.3 140.6 1.44 3.30.2 1.10.7 1.1110.25.8 5.410.8 0.059.6 7.038.6 22.57.5 2.160.24 79.70.51 8.22.81 1.1 8.7 11.3 1.1 6.3 1.02 8.98 3.7( 9.5 2.5 ) 6 9.5 9.9 0.95 6.09 0.59 6.09 0.41 5.6 0.25 400 x939 x3.218 9.3x4.4x4.9 4(x1)10
4、.4 x6.040.6 x0.86.1 x636 x4.914 8.9x4.5x10.12 10(x3)60.9 x4.370.7 32x0.49.8 0.03 1.60.3 130.02 0.193 2.46 1.50.2 120.03 0.164 23 0.80.4 1.10.8 1.21.95 3.20.4 0.150.5 10.7 234.98.1 3.750.58 0.536.2 2.886.9 210.6 1.90.38 32.50.31 7.13.04 6.9 8.5 11.5 6.9 3.5 5.87 4.13 22.5( 5.5 4 5.6 9.9 0.56 3.94 0.3
5、6 3.94 0.64 1 40 x822 x414 6.7x1.9x12 8(x8)1.7 x6.850.3 2x0.54.4 x643 x1.96 9.7x2.1x22.8 10(x5)75.8 x8.40.9 50x0.15.8 1.53 1.40.06 0.150.4 15 2.20.3 1.10.8 0.10.5 1.14 2.60.2 0.10.5 0.240.06 0.60.09 2.10.3 1.20.3 0.140.6 596.36.7 7.650.35 0.180.4 7.273.3 1524 1.840.92 88.10.87 9.94.97 9.5 7.3 12.7 9
6、.5 2.5 5.58 4.42 43.5( 6.5 1.5 ) 2 9.5 2.16 0.9 2.16 0.1 7.6 2.5 4 5x547 x1.17 6.6x1.1x5.5 10(x7)8 x8.210.1 50x0.45.7 5x123 x1.913 8.8x3.4x7.56 10(x5)77.7 x0.030.4 10x0.17.4 3 3.10.2 1.10.5 0.10.6 3.69 0.30.4 0.110.5 0.10.6 3 2.20.3 112 1.90.5 1.10.8 0.150.4 421.28.1 6.380.84 0.85.5 4.032.8 579.5 1.50.3 26.20.55 9.54.4 5.1 3.5 6.5 5.1 2.8 3.41 6.59 44.2 8 4.8 9.9 0.48 5.92 0.84 5.92 0.16 7.9 200 16x130 x0.98 7.9x1.4x11.7 10(x3)10.2 x8.80.4 x0.58.9 10x745 x3.110 8.1x0.5x10.64 8(x4)86.2 x9.120.3 50x0.26.2
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