小学五年级数学计算题巧算与速算.docx
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1、数学计算题一、简便计算题12.340.25 12.96(9.61.52)8510.11.20.251.34 1030.25 (4.86.4)8 3512540.50.811.05 34.50.03+34.50.97(203.472.2)(1.30.2)84.312.5 97.50.39136.7 2.510286.40.240.254.228 11.16(100.7)(9.6+3.2)0.8 (30094.8)0.50.12516 12.63.5(9.88.7) 3.25.611.4 0.648(0.40.5)0.65.74995.74891.14.7 4.753.252.47.6 2.75.
2、43.93.81.418.20.73.69.85-5.46 4.80.25 8.053.4+7.64.710.2 6.584.50.9 7.63997.632.80.5+1.586.732.561.443.2785.2+3.83.8+3.8 2.372.54 (6.7+6.7+6.7+6.7) 2.5 1.5102 9.8254 2400160.5320.250.125 2.83.23.27.2 7.40.152.8 3.760.250.490.008+0.9251.28 0.254.784 7.8(1.34)0.65201 7.20.90.017.2 1.22.50.82.58.610.1
3、2.57.14 5.6(12.58.5 0.85) 16.129916.12 (8.15.6) 0.91 0.4 5.20.90.98.254.08+0.754.08+4.08 4.3500.2 4.325.436.68 642.640.515.176.83.2 2615.715.724 12.75(2.756.8) (2.275 0.625)0.28 1.273.90.7316.1 3.94+34.30.2 12.84.95.1 1.2(9.62.4)4.86.75(0.93.75)8.91.14.7 1.341.83.660.22.75.43.9 0.960.280.040.72 3.69
4、.85-5.46 12.78-(4.97+2.78)8.053.4+7.6 31.70.50.71.65 6.584.50.9 35.72- 4.9-(5.72+5.1)2.80.5+1.581113.672.83.677.2 324.90.9 12.56.3+271.25+0.1250.014.84.80.5 3.1+25.78+6.9 (1.250.125)815.25+4.72+4.75+5.28 4.8100.1 34.82(4.82+15.2)56.59956.5 7.28+0.94+2.72+0.06 7.0910.80.87.097.84+0.730.84 4.85 + 0.35
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