1、一、口算。7513=67040=1720=5010=223=139=1.60.4=4650%=3169357=9=22782485.421.96=6.132.09=504=3505=二、根据1912228，直接写出下面各题的得数。190.121.912001.90.120.019122280.12228012022.81.22280120三、估算。7031017961988230348872四、计算。93.13.15.17.590.097.590.09577110.5448()258874411()132995366615069104.71362111853258192421393931035
2、33191173()641322840.36188.2455.53983一、口算。9018=760260=450=12030=832.2=746=2.50.5=4240%=17143151=8=88745655.360.3=6.250.31=1.2564=402=二、根据93635859，直接写出下面各题的得数。9300.639306300930630.0936358.590.63585963058596.35859006.3三、估算。898199801296792015624四、计算。90201.14.659.14059.140567116.590()356535411()297986341
3、021.68745022.395541113652433512114646464322176192()2413778373.15774.7830.333101一、口算。771=800110=830=24020=581.5=528=0.40.2=5880%=15145111=7=77566476.451.99=5.640.26=0.52=1.64=二、根据48512448，直接写出下面各题的得数。4800514.85.1485.148000.512448510244805.1244.8510244.85100三、估算。8973979041017440223827四、计算。5243.75.89.0
4、70.049.070.04948115.5168()857835811()2060167610731.7287012363415114546621511118505046351919282181()2819337229.758579363.523178一、口算。9247=740150=1650=77070=621.7=916=1.40.7=3010%=5112657=2=44337686.970.24=5.172.56=5032=2802=二、根据97313007，直接写出下面各题的得数。9.73109700.310.9731970310003007003.1300700313007000.3
5、1300.731三、估算。903303899965420418194四、计算。9905.51.688.66088.660332118.572()253384511()65802344673.15.3595845231196326749111145455103422141291()961133843362411.7489.922109一、口算。6944=880210=140=12010=262.8=441=0.70.1=4250%=5117231=1=44563426.242.39=6.590.04=532=777=二、根据24421008，直接写出下面各题的得数。24420.244224420
6、2400042000100.84200100842001008420010.084.2三、估算。8972037012985229826828四、计算。21502.32.821920219201778119.5245()857575811()7939967287584168021.4961611275772111176101029241313181252()5411336362409627.165.628260一、口算。7824=85040=550=60050=791.5=834=10.2=4810%=15611161=3=77386775.371.05=5.522.84=0.54=1503=二
7、、根据1556840，直接写出下面各题的得数。0.150.561556001.556001500.5684568400.568.4568456三、估算。899985012994610215454四、计算。48003.72.9116040116040797114.5336()458678711()3798764650687.582.048.441515353666111411677310251717291472()7219558399112.8654.648206一、口算。954=810470=520=77070=441.6=619=0.90.3=2470%=9126376=3=55752676
8、.192.44=6.482.6=0.2516=0.77=二、根据38491862，直接写出下面各题的得数。3.84903804903.8490380000.49186200.491862004.9186.20.491862490三、估算。79898701197479963472四、计算。7803.53.839.40.539.40.5823113.580()754545511()176984468633712.178.90.17431578524625214745453635111141281()4233373385779.2898.342179一、口算。643=74030=1210=14010
9、=702.1=719=0.40.1=425%=11116697=6=66257886.312.71=6.021.68=1.254=917=二、根据3127837，直接写出下面各题的得数。3.127310027000.310.270.0310.27837278.3727083700.2783.72.7三、估算。89839789899632984319四、计算。6342.33.4839020839020537113.5120()456542711()9259836210724.185296.587114188285521122188374333325171()3217668219.5264933.
10、328114一、口算。642=960350=1030=24030=201.6=624=0.50.5=1450%=3115118=4=22246775.010.59=6.240.94=252=142=二、根据71241704，直接写出下面各题的得数。7100247.124007.124000.710.2417042417.042400170.42400170402400三、估算。5023035983977329945348四、计算。3352.55.564500.764500.71569118.5192()858837611()52198856889851.027.2212721116636621
11、1115228284103377145191()721166832924340.2853.650222一、口算。6532=780520=2050=21070=741.4=426=0.80.2=3010%=4117114=4=33368255.132.97=5.882.63=0.2532=0.84=二、根据57533021，直接写出下面各题的得数。0.575.35700530057005300.0575.33021000.533021005300302105.330210.53三、估算。803985972998440217819四、计算。2351.22.7866866946116.5343()457774611()487995568
