小學(xué)五年級數(shù)學(xué)計算題(巧算與速算)之歐陽治創(chuàng)編

1、歐陽治創(chuàng)編2021.03.10歐陽治創(chuàng)編2021.03.10數(shù)學(xué)計算題時間2021.03.10創(chuàng)作：歐陽治一、簡便計算題12.340.258510.11030.253512534.50.03+34.50.9784.312.52.51024.228(9.6+3.2)0.80.125163.25.611.45.74995.744.753.252.47.63.81.418.20.74.80.254.710.27.63997.636.732.561.443.272.372.541.51022400160.52.83.23.27.23.760.250.490.254.7840.652011.22.50.

2、82.52.57.14歐陽治創(chuàng)編2021.03.10創(chuàng)編2021.03.1012.96（9.61.52）1.20.251.34（4.86.4）840.50.811.05（203.472.2）（1.30.2）97.50.39136.786.40.240.2511.16（100.7）（30094.8）0.512.63.5（9.88.7）0.648（0.40.5）0.6891.14.72.75.43.93.69.85-5.468.053.4+7.66.584.50.92.80.5+1.5885.2+3.83.8+3.8(6.7+6.7+6.7+6.7)2.59.8254320.250.1257.40

3、.152.80.008+0.9251.287.8（1.34）7.20.90.017.28.610.15.6(12.58.50.85)歐陽治歐陽治創(chuàng)編2021.03.10歐陽治創(chuàng)編2021.03.1016.129916.12(8.15.6)0.910.45.20.90.94.3500.2642.640.52615.715.724(2.2750.625)0.283.94+34.30.21.2(9.62.4)4.88.91.14.72.75.43.93.69.85-5.468.053.4+7.66.584.50.92.80.5+1.58324.90.94.84.80.5(1.250.125)84.8

4、100.156.59956.57.0910.80.87.094.85+0.351.48.717.4-8.77.412.50.42.580.873.16+4.649.51010.68（5.2-3.5）1.2540.50.810.184.8（152.4）213.0.82576.81+6.81990.25185404.40.83.40.8(9.37+937+937+937)2542.1.1.1.75歐陽治創(chuàng)編2021.03.10創(chuàng)編2021.03.108.254.08+0.754.08+4.084.325.436.6815.176.83.212.75(2.756.8)1.273.90.7316.11

5、2.84.95.16.75（0.93.75）1.341.83.660.20.960.280.040.7212.78-(4.97+2.78)31.70.50.71.6535.72-4.9-（5.72+5.1）1113.672.83.677.212.56.3+271.25+0.1250.013.1+25.78+6.915.25+4.72+4.75+5.2834.82(4.82+15.2)7.28+0.94+2.72+0.067.84+0.730.846.399+6.315.74.35.71.6+0.41.6+0.462.82.50.47.399(1.25+2.5)89.421094.20.91.8

6、2.48+1.521.8-0.58.76+0.43.62.5+1.246.5(10-3.7)+2.984.75+8.4(9.2-6.8)4019.8-0.60.6-0.640.1257.9162.48(7.3-5.8)+1.57.52歐陽治歐陽治創(chuàng)編2021.03.10歐陽治創(chuàng)編2021.03.102.376.3+2.373.712.773-4.5(0.75-0.356)+9.232.51.250.323.810.12.5(3.80.04)7.691013.810.10.2539+0.250.12572(6.4+0.88)0.8+3.21.2524-5.4+(0.63+1.290.23)2.1

7、8+4.65+7.82+5.35+12.515.84-2.17-3.83(25+2.5+0.25)4(35.245.6+45.663.8+45.612.253.10.856.17460.33+540.33（1.91.90.9）（3.82.8）5.74995.74891.14.72.75.43.94.753.252.47.63.81.418.20.73.69.85-5.464.80.258.053.4+7.6二、用豎式計算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

8、.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=

9、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=歐陽治創(chuàng)編2021.03.10歐陽治創(chuàng)編2021.03.10歐陽治創(chuàng)編2021.03.10歐陽治創(chuàng)編2021.03.103.524=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=4.480.45.860.245.560.834.80.250.1815=6.5-5.6=13.760.8