五年级简便计算练习题.doc

五年级简便计算练习题简便计算.4.58-(2.58+1.5)2.30.250.4 5.63.52.70.99 0.1253.20.25 3.81.013.729.9+3.720.10.990.81+0.990.19+0.99 1.3925-0.039250 （4.16+4.16+4.16+4.16）2.51（2.5-0.25）0.43.7899+3.78 65（0.654）4.9+0.1-4.9+0.15.52-（3.52-0.72）2.60.5+7.42 42.2103 8.3991.2520.3741.258-0.02580（2.31+6.69）0.03 35.20.250.4 3.610.1提问人的追问 2010-08-12 10:44 谢谢你了，不过克一再多以点吗？拜托你了！团队的补充 2010-08-12 11:08 6.81+6.8199 0.2518540 3.94+34.30.2 2.08(9.62.4)4.810-1.8-7.2 0.43+3.57 2.5412 0.90.8 7.2899+7.28 4.3500.2（367542102）（154751） 1/2-1/4-1/8-1/16-1/32-1/64-1/128 99990.78+33330.66 4.03+4.06+4.09+4.12+.+5.95 (3.60.751.2)(1.5240.18)0.452.5 0.81.25 0.33.6 0.30.3 100.07 0.31.4 0.057 0.920.4 0.20.26 0.144 0.020.1 1.20.30.20.4 8.21.8 10035.22 2.34 2.50.4 2.45 0.224 3.250 0.90.52 3.991 03.52 12.58 810 = 10-1.8-7.2= 0.43+3.57= 2.5412= 0.90.8= 7.5x-3x = a+3a+7a= 1.05100= 10.5= 0.963= 1.470.7= 5.46= 0.16.510= 0.56100= 3.78100= 40.8 = 3.215100= 0.810= 4.08100= 1.10.2 = 0.60.8 = 30.9= 2.50.4= 3.60.4= 12.58= 500.04= 800.3 = 1.19= 0.165 1.782.2 = 9.60.6 = 1.20.5-0.4 = 0.70.01 = 2.50.4 = 123.9= 1.2581.25 = 6.60.66 = 5.370+4.63 = 3.92.03 4.23.5 1.6+2.40.3 = 2.140.9 2745673= 0.30.3= 7.22.8 0.90.01 120.3= 2.870.7 134 0.960.3 1.50.4 70.25 2.50.70.8= 82.5 161.6 5.61.01= 8（2.50.25） 0.360.64 64.3216 4.20.1 72.80.8 8.44.2 13.89.9 2.42.5 0.050.8 2.560.37 1.250.80.5 122.5 1.233 3.21.6 3.53.53 19.62 8.82.2= 0.754 （1.50.25）4 0.50.8= 8.40.2= 1.60.2 7.20.3= 2.80.3 0.90.15= 1.80.4= 5.50.55= 0.08100= 2.20.11= 5.464.54= 12.50.8= 0.350.3= 1.45= 2.84= 19.64= 22.542.57.14 16.129916.12 5.20.90.9 7.2899+7.28 4.3500.2 642.640.5 2615.715.724 (2.275 0.625)0.28 3.94+34.30.2 1.2(9.62.4)4.8 8.91.14.7 2.75.43.9 3.69.85-5.46 8.053.4+7.6 6.584.50.9 2.80.5+1.58 324.90.9 4.84.80.5 (1.250.125)8 4.8100.1 56.59956.5 7.0910.80.87.09 4.85 + 0.35 1.4 8.7 17.4 - 8.7 7.4 12.50.42.58 0.873.16+4.64 9.5101 0.68 （5.2 -3.5） 1.25 40.5 0.81 0.18 4.8 （15 2.4） 13.0.8257 6.81+6.8199 0.2518540 4.40.83.40.8 (9.37+937+937+937) 25 2.376.3+2.373.7 2.51.250.32 3.810.1 2.5(3.80.04) 7.69101 3.810.1 0.2539+0.25 0.12572 460.33+540.33 (85.27) 1.25 6.81+6.8199 0.2518540 6.80.750.5 3.750.1252.75 1.53+23.47.2 9.599 13.50.98 12.58.8 1024.5 7.86.92.26.9 5.60.25 8（201.25） 1）127+352+73+44 （2）89+276+135+33 （1）25+71+75+29 +88 （2）243+89+111+57 9405-29402821 920-1680407 690+4752-398 148+332864-75 3602432+730 2100-94+4854 51+（2304-2042）23 4215+（4361-716）81 （247+18）2725 36-720（36018） 1080（63-54）80 （528+912）5-6178 85284138-904 264+318-828069 （174+209）26- 9000 814-（278+322）15 1406+735945 3168-782838+504 796-5040（6307） 285+（3000-372）36 1+5/6-19/12 3x(-9)+7x(-9 (-54)x1/6x(-1/3) 18.1（30.2990.23）1 (6.8-6.80.55)8.5 0.12 4.80.124.8 （3.21.5+2.5）1.6 3.2（1.5+2.5）1.6 .6-1.64= 5.38+7.85-5.37= 7.20.8-1.25= 6-1.193-0.43= 6.5（4.8-1.24）= 0.681.9+0.321.9 10.15-10.750.4-5.7 5.8（3.87-0.1