人教版五年級上冊數(shù)學簡便運算專項訓練題 (1).doc

人教版五年級上冊數(shù)學簡便運算專項訓練題一、 簡算。 3.5736.5 3.70.250.75 2.731.98 2.5134 1371.258 3.91.86.11.8 7.399 3.8101 2.53.21.25252.4500 3.5993.5 9.81019.838.5（17.38.5） 32.7998 5618.611.4961.25 8.81.25 3.6250三、小數(shù)乘法分配律專題練習3.7652.565653.8 17.83217.87217.84383.83.862 128.6297 2.57.52.57.51723723 6723664 487187139614.4250 127133184240 56012.5（408）2.5 1.25（8+80） 3.6（100+50）2.4（0.210） 8.6（10002） 1.5（408）3.6343.666 0.752.30.252.3 6.343576.39.369.34 3.251133.2513 0.281880.287.8102 6910.2 5610.1521.02 1258.1 254.13.199 0.4298 290.99859.8 12.579 253.98.38.399 5.65.699 0.99990.997.51017.5 12.58112.5 0.91310.910.250.28 0.1253.22.5 3540.2 0.2540.254 3.59.9 3.599+3.5 3.5101-3.5 3.59.9+3.50.1 3.52.7+350.733.52.7-3.50.7 (32+5.6)0.8 3.50.6-0.50.64.93.5 70.254 70.125 8 7.35(7.350.25) 7.35(7.350.25) 7.325-(5.325+1.7)3.29+0.73+2.27 3.29-0.73-2.27 7.5+2.5-7.5+2.57.325-3.29-3.325 7.325-(5.325+1.7) 7.325-(5.325-1.7) 3.29+0.73-2.29+2.27 3.290.254 0.1258.8 63.42.50.4 4.91.4 3.9（1.35） 0.351.2520.832.40.90.132.4 150.2528.610128.60.8615.70.8614.7 2.41020.2536 0.1253.22.5 3540.2小數(shù)乘除法計算題 二、列豎式計算. 85.4416 42.847 101.79 67.515 230.46 21.2436 0.73623 43.512 35.217 39.6246.210.03 2101.4 51.30.27 91.23.8 0.7560.180.660.3 11.971.5 69.62.9 38.40.8 150.065.62.9 3.771.8 0.0296 5.220.3 9.990.024.670.9 52.44 1.6666.1 9.4320.002 5.66.54.882.9 5.614.3 8.92.4 5.555 9.770.021.3845.1 8.7883 2.661 0.0590.2 4.2681.7575.7 9.462.85 17.86.4 1.54.9 2.50.885.5555.2 2.223.33 7.65885 36.020.3 56.7880.3961.2= 0.7560.36= 15.613= 0.1815= 0.02514= 3.0636= 0.040.12 3.842.6 5.763 7.1522 90.753.3 3.680.2516.90.13 1.553.9 3.70.016 13.760.8= 5.20.6 8.41.3 6.40.5 4.480.4 5.255 35.44.2 0.0420.54 0.760.320.250.046 2.523.4 1.0825 0.120.50.16 4.80.25 0.1251.4（保留兩位小數(shù)）10.7512.5= （用乘法驗算） 3.259.04= （用除法驗算） 解決問題：1.一臺榨油機每小時榨油0.45噸，4臺這樣的榨油機3.5小時榨油多少噸？ 2. 小華和小川兩人同時從乙地分別向甲、丙兩地背向而行，小華每小時走3.2千米，小川每小時走2.6千米，走了4小時兩人相距多遠？（用兩種方法解答） 3.一批煤計劃每天燒0.6噸，可以燒70天。由于改進燒煤技術(shù)，實際每天只燒煤0.56噸，實際可以燒多少天？ 4.一臺磨粉機4小時磨面粉2.6噸，照這樣計算7.5小時可以磨面粉多少噸？（得數(shù)保留整噸） 5糧店運來30袋大米和40袋面粉，一共是2500千克，大米每袋50千克。每袋面粉多少千克？6一架飛