【MeiWei_81重点借鉴文档】一、五年级简便计算题12.340.2512.96（9.61.52）8510.11.20.251.341030.25（4.86.4）83512540.50.811.0534.50.03+34.50.97（203.472.2）（1.30.2）84.312.597.50.39136.72.510286.40.240.254.22811.16（100.7）(9.6+3.2)0.8（30094.8）0.50.1251612.63.5（9.88.7）3.25.611.40.648（0.40.5）0.65.74995.74891.14.74.753.252.47.62.75.43.93.81.418.20.73.69.85-5.464.80.258.053.4+7.64.710.26.584.50.97.63997.632.80.5+1.586.732.561.443.2785.2+3.83.8+3.82.372.54(6.7+6.7+6.7+6.7)2.51.51029.82542400160.5320.250.1252.83.23.27.27.40.152.83.760.250.490.008+0.9251.280.254.7847.8（1.34）0.652017.20.90.017.21.22.50.82.58.610.12.57.145.6(12.58.50.85)16.129916.12(8.15.6)0.910.45.20.90.98.254.08+0.754.08+4.084.3500.24.325.436.68642.640.515.176.83.22615.715.72412.75(2.756.8)(2.2750.625)0.281.273.90.7316.13.94+34.30.212.84.95.11.2(9.62.4)4.86.75（0.93.75）8.91.14.71.341.83.660.22.75.43.90.960.280.040.723.69.85-5.4612.78-(4.97+2.78)8.053.4+7.631.70.50.71.656.584.50.935.72-4.9-（5.72+5.1）2.80.5+1.581113.672.83.677.2324.90.912.56.3+271.25+0.1250.014.84.80.53.1+25.78+6.9(1.250.125)815.25+4.72+4.75+5.284.8100.134.82(4.82+15.2)56.59956.57.28+0.94+2.72+0.067.0910.80.87.097.84+0.730.844.85+0.351.46.399+6.38.717.4-8.77.415.74.35.712.50.42.581.6+0.41.6+0.40.873.16+4.6462.82.50.49.51017.3990.68（5.2-3.5）1.25(1.25+2.5)840.50.810.189.421094.20.94.8（152.4）1.82.48+1.521.8-0.5213.0.82578.76+0.43.62.5+1.246.81+6.81996.5(10-3.7)+2.980.25185404.75+8.4(9.2-6.8)404.40.83.40.819.8-0.60.6-0.64(9.37+937+937+937)250.1257.91642.1.1.1.752.48(7.3-5.8)+1.57.522.376.3+2.373.712.773-4.5(0.75-0.356)+9.232.51.250.32(6.4+0.88)0.8+3.21.253.810.124-5.4+(0.63+1.290.23)2.5(3.80.04)2.18+4.65+7.82+5.35+12.57.6910115.84-2.17-3.833.810.1(25+2.5+0.25)40.2539+0.25(35.245.6+45.663.8+45.60.1257212.253.10.856.17460.33+540.33（1.91.90.9）（3.82.8）二、用竖式计算1.8+0.02=5.7632.087.5=0.430.28=0.720.9=90.753.31.052.4=4.60.6=0.20.01=16.90.131.890.54=3.080.43=0.2540=3.70.0165.616.1=5.2229=1.250.8=5.20.66.210.3=13.953.1=5.566=6.40.51.30.95.930.767.80.35=5.25521.840.732.088.40.25=0.0420.5428.146.73.54134.1-1.2980.250.0460.3961.2=205.6746.847.451.082515.613=5.40.03636.722.40.1251.40.02514=5.7785.4=110.70.5410.13.3=0.040.121.50.25=1.2040.43=3.259.04=61.2=9.22.3=3.50.2=7.152218.90.54=6.450.73=4.8+2=1.553.90.358.6=1.526.7=3.524=8.41.3540.36=7.218364.2524=35.44.20.4621.45.247.25.247.22.523.40.7560.36=5.840.1687.113.12.50.7=3.0636=8.023.5=1-0.01=3.680.251.441.8=8.90.05=7.61.05=4.480.45.860.2416.32515.560.834.80.250.1815=8116.5-5.6=13.760.8=9.580.23=18.723.6=2.840.05=10.7512.5=3.842.628.565.1=0.420.3080.760.324.323.62.7+3.13三、速算与巧算(1)5.8+2.32+0.68+4.2(2)1999+199.9+19.99+1.999(3)12.59-3.24-5.76(4)8.1+7.8+8.2+8.4+7.9+7.7(5)185.5(6)8.881.25(7)34.70.25(8)2381.25(9)0.2512.53.2(10)124.68+324.68+524.68+724.68+924.68(11)5795.57955.7957579.5(12)1990198.9-1989198.8(13)2.250.16+2640.0225+5.22.25+0.22520(14)(1+0.28+0.84)(0.28+0.84+0.66)-(1+0.28+0.84+0.66)(0.28+0.84)(15)4.820.59+0.411.59-0.3235.9(16)0.1250.2532(17)164.5(18)0.251.2522.4(19)0.9+0.99+0.999+0.9999+0.99999(20)(72357+35728)(5174)(21)9898989899999999101010111111111(22)4.8(11.03-15.67.5)(23)(67.8+9.48)0.96-2.5830.05(24)1.7+1.7(5.8-2.8)+(1.751.4)(25)3.048.7-3.042.9+5.86.96(26)(0.1+0.2+0.3+0.4+1)5.5(27)3.146.5+4.53.14-3.14(30)1-2+3-4+5-6+-98+99-100+100(28)12403.8+12451+1.241400+7609.6+0.76700(29)1(23)(34)(45)(199920RR)【MeiWei_81重点借鉴文档】