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1、一、能用简便的要简便计算2.34. 12.96-(9.-52）10.12.25+1.34 1030.25 （4.+6.4）8 3510.581.5 34.500+34.5097（23.72.）(1.02)4.12.5 97.39-136.72.5028.40.0254.22 116（1-07）(.6+3.）. （00-94)0.50.12516 12.635(98.7) 3.25.611. 0648（0.5)0.6749+5.78.91147 4.75+3.252.47.6 2.5.43.93.81.4820.7368-5.46 4805 .0+74.7.2 6.584.50.9 7.6399
2、7632.805+.586.72.56+1.42785.+3.38+.8 2.3.54 (7+6.76.7+67） . 1.5102 9.8254 2400160.532.50.125 2.3.23.27.2 7.4-0.152. 3760.2.490.008+0.925.2 0.24.74 .（.)65201 7.0.+.01.2 1.225+2.58601 2.57 56（1.58.5 085) 6129916.2 （8.1-56) 0.9-1.4 5.+0.98.54.08+0.5408+.084.500.2 4.35.46.68 64-.40515.176.3.2 615.75.74
3、12.-(2.56.8) (2.275 +0.2)08 1.2+3.9.7316.1 3.94+3430.2 128495. .2（9.2.4)4.86.75(9+75)891.4. 13418+3.6.27.43. 0.-0.28+0.40.2 3.69.855.4 2.78-(4.97+.7)8.05.4+7.6 3170.5071.6 .450.572- 49-（5.7+5.1）2.8051.511-3.6723.677. 4.9-0.9 1.3+271.25+.125014.8-4.80.5 3.25.7+6.9 (.25-125)81.25+4.2+4.75.28 4.810. 42
4、(.82+152)56.5996.5 728+042.72+.6 7.090.80877.84+0.0.4 4.85+035 14 6.396.3 8.7 174 8 7 5.7.5.7 12.52.58 1.6+0.4.60.4 0.87.16+464 62.8250.4.50 7.39 0.68（.2 -3）1.2 (1.25+5) 8 40.5 .8 0.18 9.2194.20.94. (15.4）1.48+1.521.8-0.5 2.3.0.825786+0.436.5+1.24681+6.99 6.5(1-3.7)+2.98.1850 4.5+4（9.2-6.）0440.8340.
5、819.8-0.60.6.64(9.7+97+37+93)2.5 .57.164.211.52(7.3-.8)+1.572.37.3+2337 2.773-45(075-0.356）+9.232.5.3 （.40.)0.3.23810124-5.4(063+1.29023）.5(3.800) 21+.65+782+5.35+1.5 7.901 .84-2.13.3381.1（5+250.)4 0.39+025 (35.245.6+4566.8+4572 12531085-6.746.33+40.33（1.91.90.9)(.8-28)二、用竖式计算1.8+0.2= 5.763=2.087.5=
6、.30.28= .720.9 90.753. 1.02.4= 4.60.6=0.2001=16.9.1 1.8054 3.80 254= 3.7.01651.15.229= 150.=5.2.6 6.210.= 13953.1=556=.40.5 1.0. 5.30.78.35=5.25 1.847 3208 8.40.250.0420.4 .146. 3.513 41-1.290.2.046 .396.2= 20-674 6.84745 1.015.63=5.0.06 36.72240.1251.4.04= .75.4= 110.0.5410.133= 0.040.1.50.5= .240.43= .2.04= 612=2.3=3.50. 7.22 18054= .450.73= . + 2 = 1539 03. 1.526.3524=8.4140.36=7.2183 42524=3.44.2 042.27.2 5.247. .23.4 .7560.6= 5.84016 87.113.57= 3.636=8.023.5= 1-01= 3.680.5.4418=8.905= 71.05=.48.4 580.2416.1.6083.8.2501815= 811.5.6= 13.760.= 9.580.23= 18.73.6 2.840. = 0.7515= 3842.565
