小学五年级计算题(简便、脱式、方程).doc

脱式计算1757525 683513 725（125237）（114166）35 432（98） 1896040 216305/5 4723664 5+254425634 9000125 9911 2800 100789 75138（100-54） 85(95144024) 24078（154-115） 80400(430087015)75-（12+18）15 (6.8-6.80.55)8.5 7.20.8-1.25(932521)9 5071363498 (3921)(3966)70425-509 2532125 32(25+125) 25（24+16） 17899+178 7942+79+7957 138254 (13125)(38) 32(25+125) (12+24+80)50 2532125 178101178 10276 5898 7599+275 8310283250(344)3 25（24+16） 17899+178 三、方程式计算2x+8=16 x5=10 x+7x=8 9x-3x=6 45x=20 2x-6=12 x-56=7 12x-8=4 下面各题怎样算简便就怎样算。6.94.83.1 0.4566.223.78 15.89(6.755.89)4.025.40.98 5.171.83.2 13.75(3.756.48)3.687.562.68 7.852.340.854.66 35.61.815.67.23.822.90.189.1 9.64.83.6 7.140.532.4766.868.661.34 0.2516.24 (1.250.125)8 3.6102 3.723.56.283.5 36.83.96.115.613.115.615.62.1 4.87.8780.52 324.90.9 4.8100.1 56.59.956.5 7.0910.80.87.09 25.48(9.40.52) 4.20.2 0.5 3201.258 18.769.918.76 3.522.50.4 3.94.16.15.917.8(1.784) 0.490.04910 1.252.532 3.834.563.835.44 4.3612.58 9.7999.7 27.53.77.53.7 8.542.50.4 3.20.2512.5 (45.932.7)80.125 3.140.6831.40.032 5.61.250.82.50.47.20.22.41.4 3366+3334 7.74（2.81.3）1.52.263.92.73.97.3 181.80.1250.8 12.79.91.27 21（9.33.7）5.6 15.02-6.8-1.02 5.411-5.4 46572386 13.70.253.74 2.229.9+6.666.7 1010.87-0.9187 10.716.1-15.110.7 0.79199-0.7999 3.070.381.62 1.293.72.716.3 82.451.553.251.790.591.75 23.40.813.47.2 12564 0.8（4.31.25） 123.1299 28.610128.614