五年级300道计算题.doc

1000.99 10.999.87 4.0890.047 0.24390 6.94.83.10.4566.223.78 6.94.83.10.4566.223.7815.89(6.755.89) 4.025.40.984.025.40.985.171.83.213.75(3.756.48) 3.687.562.687.852.340.854.663.687.562.687.852.340.854.6635.61.815.67.2 3.822.90.189.19.64.83.65.272.860.661.6313.354.682.6573.81.6413.85.36 7.140.532.47 47.87.45+8.80.398+0.36+3.6415.75+3.590.59+14.25 66.868.661.340.2516.24(1.250.125)83.61023.723.56.283.536.83.96.1 15.613.115.615.62.14.87.8780.524.8100.156.59.956.57.0910.80.87.09 324.90.9 25.48(9.40.52)18.769.918.763.522.50.43.94.16.15.9 4.23.53201.2585.63.59.60.80.47.20.22.41.47.74（2.81.3）1.52.26 21（9.33.7）5.615.02-6.8-1.022.316+2.323+2.39.43-（6.28-1.57）4657238613.70.253.742.229.9+6.666.74.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.98 0.134+2.66+0.8661.27+3.9+0.73+16.17.54.96.53.070.381.621.293.72.716.382.451.55 3.251.790.591.75 23.40.813.47.20.32403 3.20.364.81.641.233.40.236.60.2536 12.7（3.70.84）36.541.764.54 10.49.60.35 2.311.20.5 147.322.682.648.677.3611.337028 4.91.43.9（1.35） （7.71.54）0.72.52.42.74515（0.150.4） 3/749/9-4/3 5.8/915/36+1/27 125/62/9385/4+1/4 63/83/86 4/75/9+3/75/9 5/2-（3/2+4/5） 7/8+（1/8+1/9）95/6+5/6 3/48/9-1/3 75/49+3/14 6（1/2+2/3） 84/5+811/5315/65/6 9/7-（2/710/21）5/918142/7 4/525/16+2/33/4 148/75/612/1517/323/49/24 32/9+1/3 5/73/25+3/7 3/142/3+1/6 1/52/3+5/69/22 + 1/11 1/2 5/3 11/5 + 4/3 45 2/3 + 1/3 15 7/19 + 12/19 5/6 1/4 + 3/4 2/38/7 21/16 + 1/2 101 1/5 1/5 21 5016040 120-14418+35 347+452-416052（58+37）（64-95） 95（64-45） 178-14556+42 812-700（9+3111）85+14（14+20826）（284+16）（512-820818） 120-36418+35（58+37）（64-95）(6.8-6.80.55)8.50.12 4.80.124.8（3.21.5+2.5）1.6 （2）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（3.87-0.13）+4.23.7432.52-（6+9.7283.2）2. （136+64）（65-34523） 420+580-642128 （58+370）（64-45）6.94.83.1 0.4566.223.78 15.89(6.755.8）6 9.64.83.6 5.272.860.661.6347.87.45+8.8 0.398+0.36+3.64 7028 4.91.4 2.745 150.25 4.51.8 4.23.5 347+452-416052（58+37）（64-95） 35.95（64-45）178-14556+42420+580-642128 812-700（9+3111）（136+64）（65-34523）85+14（14+20826） 1.22.5+0.82.58.91.25-0.91.2512.57.40.89.96.4-2.5+0.245.4+6.93-（25-2.5）241846-620-3800.8+0.82.5(1010+309+4+681+6）12120-36418+35（58+37）（64-95）（284+16）（512-820818）(6.8-6.80.55)8.50.12 4.80.124.8（3.21.5+2.5）1.63.2（1.5+2.5）1.645.6-1.645.38+7.85-5.37 7.20.8-1.256-1.193-0.436.5（4.8-1.24） 0.681.9+0.321.910.15-10.750.4-5.75.8（3.87-0.13）32.52-（6+9.7283.2）2.5（7.1-5.6）0.9-1.15 2.5 5.42.6（3.7-2.9）+0.62126（12-7.2）-61267.2-6 7.86.92.26.95.60.258（201.25）127+352+73+4489+276+135+3325+71+75+29 +88243+89+111+57 9405-29402821920-1680407690+4752-398 148+332864-753602432+7302100-94+485451+（2304-2042）234215+（4361-716）81（247+18）2725 36-720（36018）1080（63-54）80（528+912）5-6178 85284138-904264+318-828069（174+209）26- 9000 814-（278+322）151406+7359453168-782838+504 796-5040（6307）285+（3000-372）36(6.8-6.80.55)8.50.12 4.80.124.8（3.21.5+2.5）1.6 3.2（1.5+2.5）1.6 30.814(9.851.07)60(9.528.9)0.182.8810.430.243.5 28-(3.4+1.252.4)2.557.1+2.457.120(2.441.8)0.40.157779+111130.815.5-(3.21+5.79)（31.8+3.24）531.54(6+3)0.64257.8+2.219464.81.80.9 36.724.259.951807056242.42.50.8(4121+2389)7 67115-97446912+14923.416（0.01635）0.8(106.76)1.2 19.46.12.35.670.2-0.62100-56.2330.814(9.851.07)60(9.528.9)0.18 2.8810.430.243.520(2.441.8)0.40.157779+111130.815.5-(3.21+5.79) （31.8+3.24）531.54(6+3)19464.81.80.936.724.259.9242.42.50.8 (4121+2389)767115-97446912+1492405(3213-3189) 3.416（0.01635）0.8(106.76)1.219.46.12.35.670.2-0.6218.10.92+3.930.0430.24+0.8750.40.70.25 0.75102 40.50.811.05 97.50.39136.7（203.472.2）（1.30.2） 86.40.240.2511.16（100.7） （30094.8）0.53.522.50.412.63.5（9.88.7） 0.648（0.40.5）0.6 18.769.918.76 3.94.16.15.9 28-(3.4+1.252.4)22.5+2.5251807056 7 5/49 + 3/14 6 （ 1/2 + 2/3 ）8