1、数学计算题一、简便计算题12.340.25 12.96（9.61.52）8510.1 1.20.251.34 1030.25 （4.86.4）8 35125 40.50.811.05 34.50.03+34.50.97 （203.472.2）（1.30.2）84.312.5 97.50.39136.7 2.5102 86.40.240.254.228 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）0.65.74995.74 891.14.7 4.753.252.47.6
2、2.75.43.93.81.418.20.7 3.69.85-5.46 4.80.25 8.053.4+7.64.710.2 6.584.50.9 7.63997.63 2.80.5+1.586.732.561.443.27 85.2+3.83.8+3.8 2.372.54 (6.7+6.7+6.7+6.7) 2.5 1.5102 9.8254 2400160.5 320.250.125 2.83.23.27.2 7.40.152.8 3.760.250.49 0.008+0.9251.28 0.254.784 7.8（1.34）0.65201 7.20.90.017.2 1.22.50.82
3、.5 8.610.1 2.57.14 5.6(12.58.5 0.85) 16.129916.12 (8.15.6) 0.91 0.4 5.20.90.9 8.254.08+0.754.08+4.08 4.3500.2 4.325.436.68 642.640.5 15.176.83.2 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)4.8 6.75（0.93.75）8.91.14.7 1.341.83.660.22.75.43.9 0.960.2
4、80.040.72 3.69.85-5.46 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+1.58 1113.672.83.677.2 324.90.9 12.56.3+271.25+0.1250.014.84.80.5 3.1+25.78+6.9 (1.250.125)8 15.25+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 7.0910.80.87.09 7.84+0.7
5、30.84 4.85 + 0.35 1.4 6.399+6.3 8.7 17.4 - 8.7 7.4 15.74.35.7 12.50.42.58 1.6+0.41.6+0.4 0.873.16+4.64 62.82.50.49.5101 7.399 0.68 （5.2 -3.5）1.25 (1.25+2.5) 8 40.5 0.81 0.18 9.421094.20.94.8 （15 2.4） 1.82.48+1.521.8-0.5 213.0.8257 8.76+0.43.62.5+1.246.81+6.8199 6.5(10-3.7)+2.980.2518540 4.75+8.4(9.2
6、-6.8)404.40.83.40.8 19.8-0.60.6-0.64(9.37+937+937+937)25 0.1257.91642.1.1.1.75 2.48(7.3-5.8)+1.57.522.376.3+2.373.7 12.773-4.5(0.75-0.356)+9.232.51.250.32 (6.4+0.88)0.8+3.21.253.810.1 24-5.4+(0.63+1.290.23)2.5(3.80.04) 2.18+4.65+7.82+5.35+12.5 7.69101 15.84-2.17-3.833.810.1 (25+2.5+0.25)4 0.2539+0.2
7、5 (35.245.6+45.663.8+45.60.12572 12.253.10.856.17460.33+540.33 （1.91.90.9）（3.82.8）5.74995.74 891.14.7 2.75.43.9 4.753.252.47.6 3.81.418.20.7 3.69.85-5.46 4.80.25 8.053.4+7.6 二、用竖式计算1.8+0.02= 5.763 2.087.5= 0.430.28= 0.720.9= 90.753.3 1.052.4= 4.60.6=0.20.01= 16.90.13 1.890.54= 3.080.43= 0.2540= 3.70
8、.016 5.616.1= 5.2229= 1.250.8= 5.20.6 6.210.3= 13.953.1=5.566= 6.40.5 1.30.9 5.930.767.80.35= 5.255 21.840.7 32.08 8.40.25= 0.0420.54 28.146.7 3.5413 4.1-1.298 0.250.046 0.3961.2= 205.674 6.847.45 1.0825 15.613= 5.40.036 36.722.4 0.1251.4 0.02514= 5.7785.4= 110.70.54 10.13.3= 0.040.12 1.50.25= 1.204
9、0.43= 3.259.04= 61.2= 9.22.3=3.50.2= 7.1522 18.90.54= 6.450.73= 4.8 + 2 = 1.553.9 0.358.6= 1.526.7=3.524= 8.41.3 540.36= 7.21836 4.2524= 35.44.2 0.4621.4 5.247.2 5.247.2 2.523.4 0.7560.36= 5.840.16 87.113.1 2.50.7= 3.0636= 8.023.5= 1-0.01= 3.680.25 1.441.8= 8.90.05= 7.61.05= 4.480.4 5.860.24 16.32515.560.83 4.80.25 0.1815= 8116.5-5.6= 13.760.8= 9.580.23= 18.723.6= 2.840.05 = 10.7512.5= 3.842.6 28.565.1= 0.420.308 0.760.32 4.323.6 2.7+3.13
