小学五年级-上数学计算题(巧算与~速算).doc

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1、.一、五年级简便计算题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

3、.82.5 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 1.341.83.660.2.2.75.43.9 0.

4、960.280.040.72 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+0.1250.01.4.84.80.5 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.

5、84+0.730.84 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 9.421094.20.9.4.8 （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(9.2-6.8)404.40.83.40.8 19.8-0.60.6-0.64(9.37+937+937+937)25 0.1257.916