1、直接寫出得數(shù)5.43+1.47=53.28=0.464.6=40.25=30.3=4.50.4=0.630.7=9.581019.58=85(10.9)=1.80.4=脫式計算，能簡算的要簡算8.610.15.6(12.58.50.85)(8.15.6)0.910.430.814(9.851.07)60(9.528.9)0.182.8810.430.243.520(2.441.8)0.40.157779+111130.815.5-(3.21+5.79)（31.8+3.24）531.54(6+3)0.64257.8+2.28.254.08+0.754.08+4.0822.5+2.521.84(2

2、8.02+11.98)(62.862.3)2011.1.1128-(3.4+1.252.4)19464.81.80.936.724.259.93.61.20.82.72.557.1+2.457.111554（72-58）3(3921)(3966)2011.1.120.40.70.25（947599）766489+124+11+26+48156(17.7-7.2)3875-147-232011.1.1336(91327623)37.85-（7.85+6.4）3025125408(932521)91478+85328(5+969.9318)12564507136349881（72-54）95180

3、7056723(521504)25242.42.50.83841223371(4121+2389)724(2565+2528)42028472011.1.1417899+178719-53117942+79+79571382547300254810047598199(13125)(38)(12+24+80)502011.1.152700（506499）900(0.1258-0.5）4449898112（2+3)3123181233+8512345000.47533.02（148.490.85）2.550(344)3（111）5.125（24+16）18.1（30.2990.23）131554（

4、72-58）3(3921)(3966)2011.1.160.40.70.25（947599）766489+124+11+26+48156(17.7-7.2)3875-147-232011.1.1736(91327623)37.85-（7.85+6.4）3025125408(932521)91478+85328(5+969.9318)12564507136349881（72-54）951807056723(521504)25242.42.50.83841223371(4121+2389)742011.1.181.9-17.869.419420+580-6422011.1.19口算題32.52-8

5、2.5=1503=（136+64）（55-34523）388+(5050-1100)1260（12-6）=1267.2=脫式計算，能簡算的要簡算0.681.9+0.321.9=(599+672428)(426672+1943)287002541.25800.42.548225125512（2.40.48）511(1+3+5+7+9)+23(2+4+6+8+10)4042540+450181.2124812=3.22+7.5=66-1604=15.38+7.85-15.37=1483.714.8620.148100（58+370）（74-55）7.20.8-1.20=6-0.43=6.5（4.8

6、-1.24）=5（8.13-1.13）=51257681.25800.42.532513(266-250)12（2.40.48）5196.5+(33.5-243081)8.332.434.57103322011.1.210.256.824140-905+6781.3440.16249736033606.72.634.32.684.8-3.68428(30801980)7424100081252011.1.20口算題89100=0.82+0.08=731=5.6+99=0.6310=410=58248（8578）171000=10025=0.56+0.4=1.25100=脫式計算，能簡算的要簡算

7、491022498402870183.61.20.82.79.21.053.4(2.63.21.28)1.7（得數(shù)保留兩位小數(shù)）120-36418+35（58+37）（64-95）6.83(3.82.3)1.53.7(6.8-6.80.55)8.564.57.68(8.21.8)95（64-45）0.124.80.124.83/749/9-4/3178-14556+428/915/36+1/27（3.21.5+2.5）1.62011.1.225016040420+580-6421283.2（1.5+2.5）1.66-1.64812-700（9+3111）（58+370）（64-45）5.38+

8、7.85-5.37120-14418+35（136+64）（65-34523）7.20.8-1.25347+452-4160527942+79+7957（58+37）（64-95）2011.1.2385+14（14+20826）2011.1.246-1.193-0.437300254（284+16）（512-820818）81004756.5（4.8-1.24）70.681.9+0.321.932(25+125)158+262+13817810117810.15-10.750.4-5.7375+219+381+2258436+64842011.1.265.8（3.87-0.13）+4.23.7

9、4500124710212322011.1.257599+27532.52-（6+9.7283.2）2.5（181+2564）+271983102832(13125)(38)378+44+114+242+222123181233+85123(12+24+80)50253212517810117850(344)3276+228+353+2198436+648425（24+16）(375+1034)+(966+125)17899+1787599+2758(2130+783+270)+101730657381065831028322357183317357123181233+8512399+999+

10、9999+999992365108621450(344)325（24+16）7755(2187+755)1382542011.1.2817899+1782214+638+2862011.1.27(13125)(38)7942+79+7957(12+24+80)50730025481004752356（1356721）2011.1.301.79.90.172532125230.12.39.91235（17801665）32(25+125)7527+19250.184.260.184.26931870+133109.35.262.740.581.30.581.34(2565+2528)13.4（3

11、.45.2）7.342.70.2514.9（5.24.9）2.730.891.273.750.52.75218.325.474.324.370.281.635.725.260.1252.74817.295.286.292011.1.29100.4322.568256.80.049.5（1.98）9300.6563.42.50.40.25320.12512.8（0.41.6）（7.71.54）0.73.834.563.835.446.41.2512.52011.1.31（11.79.9）0.97.0910.80.87.093.285.76.725.76.94.83.13.654.736.50.3

12、72.1992.115.89(6.755.89)107.852.340.854.6647.87.45+2.5513.70.253.7435.61.815.67.266.868.661.3410.716.1-1.110.7+10.750.2516.2413.75(3.756.48)3.9（1.35）0.25320.12563.42.50.42011.2.218（2+9）2.5(4+0.4)57.26(5.261.5)（7.71.4）0.7106.25+3.852.125+3.8752011.2.1(1.250.125)86.54+2.4+3.46+0.611.924562156.59.956.5

13、95.61.8+95.68.25/1142.7535.6420/1245.411-5.413.375+5.75+2.25+6.62511（15.19036）1819.10245-328344/3.6-5.40.25163.85.25+14.52.83.1+16/816/2+30/2+90/6172.14.3+5.72.15000-105342011.2.323(50-12.5)2.542(25+4)4242/51/32011.2.40.15/0.25+0.751.2363/218441(1/2+1/3+1/4)0.240.81/0.25+5.96525.611047+6394031327469

14、12+14923.52.7-52.2/1846.1.54.20.750.25405(3213-3189)281/71/53.274+3.275.73.3750.97+0.976.62519.46.12.3（1.2+1.8）4.5102576832120.25800.450.950.1025768323.416（0.01635）0.8(106.76)1.22011.2.50.64257.8+2.222.5+2.5219464.81.80.936.724.259.9（58+37）（64-95）5.670.2-0.6218.10.92+3.932011.2.60.40.70.250.75102（58

15、+37）（64-95）51807056（58+370）（64-45）95（64-45）242.42.50.8178-14556+42120-14418+35(4121+2389)7420+580-642128347+452-41605267115-974812-700（9+3111）13（136+64）（65-34523）32.52-（6+9.7283.2）2.523.40.813.47.22.95101-2.9585+14（14+20826）2.311.20.5（284+16）（512-820818）2011.2.7120-36418+35(6.8-6.80.55)8.5994.313243

16、.756.3(1.250.25)46310.1-630.14.2994.22011.2.812.78-(4.972.78)3.21010.124.80.124.8（3.21.5+2.5）1.610.15-10.750.4-5.75.8（3.87-0.13）+4.23.7463.42.50.40.80.880.224.60.354.60.652011.2.935（0.352）3.141.931.40.817.310.21.46140.921.012011.2.1097.50.39136.780 x41215.613.115.615.62.14.90.84.90.812.96（9.61.52）1.

17、20.251.3486.40.240.2511.16（100.7）（30094.8）0.512.63.5（9.88.7）7.8x2.62011.2.119999100114.86.3-6.36.58.33.7（4.86.4）80.648（0.40.5）0.6321252540.50.811.0575+219+381+2252x0.828.2（203.472.2）（1.30.2）5001247102123230.5x715（181+2564）+27192011.2.12(13125)(38)3/749/9-4/3378+44+114+242+2228/915/36+1/27(12+24+80)5

18、0125/62/93276+228+353+2192356（1356721）85/4+1/4(375+1034)+(966+125)1235（17801665）(2130+783+270)+10172011.2.1363/83/867527+19257755(2187+755)4/75/9+3/75/931870+133102214+638+2865/2-（3/2+4/5）4(2565+2528)306573810657/8+（1/8+1/9）1695/6+5/63/48/9-1/34/525/16+2/33/4148/75/612/15452/3+1/3152011.2.1517/323/49/2475/49+3/1417/323/49/2432/9+1/332/9+1/36（1/2+2/3）5/73/25+3/75/73/25+3/784/5+811/53/142/3+1/63/142/3+1/61/52/3+5/6315/65/61/52/3+5/69/22+1/111/22011.2.149/7-（2/710/21）9/22+1/111/25/311/5+4/35/918142/75/311/5+4/3452/3+1/315177/19+12/195/695（64-45）2011.2.17（3.21.5+2.5）1.61/4+3/42/3178-14556+427.20