多位数乘除法练习.doc

多位数乘除法练习1、笔算下列各题。73515= 33011= 37117= 72817= 43515= 47218=81314= 51814= 15019= 42015= 67256= 63315=32513= 96822= 84216= 98719= 22312= 98213=64911= 56117= 11416= 19011= 62439= 14113=44313= 12111= 29913= 24412= 96623= 45917=39316= 78449 = 66611= 51219= 92388= 57213=92716= 32016= 18816= 93119= 20521= 58914=71015= 76557= 41814= 34211= 39556= 24015= 24013= 29429= 24020= 68915= 32842= 51317= 63618= 37245 = 16511= 30012= 96237 = 76515=2、笔算，再验算。13816= 40735= 93022= 45618=5.62.9= 3.771.8= 0.0296= 5.220.3=9.990.02= 4.670.9 52.44 1.6666.19.4320.002 5.66.5 4.882.9 5.614.38.92.4 5.555 9.770.02 1.3845.18.7883 2.661 0.0590.2 4.2681.7575.7 9.462.85 17.86.4 1.54.92.50.88 5.5555.2 2.223.33 7.6588536.020.3 56.788 85.4416 42.847101.79 67.515 230.46 21.24360.73623 43.512 35.217 39.6246.210.03 2101.4 51.30.27 91.23.80.7560.18 0.660.3 11.971.5 69.62.938.40.8 150.06（循环小数的用简便方法，除不尽保留2位小数）：8.20.12 0.80.9 76.45.4 4.731.251.2 3242 14.362.7 8.336.21.70.03 2.410.7脱式计算（能简算的要简算）2.57.1416.129916.125.20.90.9 7.2899+7.284.3500.2642.640.52615.715.724(2.2750.625)0.28 3.94+34.30.21.2(9.62.4)4.88.91.14.72.75.43.93.69.85-5.46 8.053.4+7.66.584.50.92.80.5+1.58324.90.94.84.80.5(1.250.125)8 4.8100.156.59956.57.0910.80.87.094.85+0.351.4 8.717.4-8.77.4 12.50.42.580.873.16+4.649.51010.68（5.2-3.5）1.25 40.50.810.184.8（152.4） 6.80.750.53.750.1252.751.53+23.47.2 6.81+6.81990.25185404.40.83.40.8 (9.37+937+937+937)252.376.3+2.373.72.51.250.323.810.1 2.5(3.80.04)7.691013.810.1 9.59913