四年级数学下册计算题脱式、方程、分数2.pdf

《四年级数学下册计算题脱式、方程、分数2.pdf》由会员分享，可在线阅读，更多相关《四年级数学下册计算题脱式、方程、分数2.pdf（25页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、-.四下计算 400 道125+2561357514512060551024163(360-144)243164-135+85-1354155+1612002072072015240+480306+131202+1209330(6550)1286816优选-.64(126513)19969627410000(5966)64594045(798616)(2010906)(65+15)117133765+35-(31540364)7125208(12111)201202481069769540148+47133083082811优选-.238+756090142123019241996962741

2、0000(5966)6473570040025920-1680407-594045(798616)(31540364)7152010702829405-29402821690+4752-398148+332864-75优选-.3602432+7302100-94+485451+2304-2042234215+4361-71681108063-5480-247+182725528+9125-617836-7203601810120245优选-.2800 10078994759976436(1527623)(932521)9507136349816(17-8)3-723(521504)25(392

3、1)(3966)38412331377+6 3028(5+9632)8172-699优选-.57125603584864016129601500324519254381123181233+85123140-705445+24012-(12+24+80)502524+1663+84242157+85732(25+125)17899+1784907+24546-2030-90优选-.25274404252400801421088336060142549+14720362-42048375345290343+997542516767669953+534502169优选-.24545+39125845

4、4125-254202051984140-7054266-110-4602918363+84242157+857960400704907+24546-2030-90优选-.40425240080142108833606042048375345290343+99142549+1416767669953+53450216924545+391258454125-25-优选-.4202051984460291839604007045+24012140-7054266-110-124+78+2263+8424246-2030-90100-35-254907+245157+857优选-.404252400

5、80142108833606042048375345290343+99142549+1416767669953+53450216924545+394125-254202051984-优选-.460291839604007043+3155426-279398-194+6251+1217843-136832+28632513266-25055+72040-35220-180836287+23-优选-.38+4252535135-727147、72175282466-32340-24020558+129681066324830252430-优选-.36427313525406187958273388

6、9-1934892-90562822+59813+311-640+7501515698007005328+12513515+2672-5738254+32085+324-353优选107-.2063-1284-48123256-6-482-4222-17573-1218213+2081352521-3782148+426-1260-303+3优选16812-.3113-228191562243280345128-5319776-736152140-205+2580040-40040-802+10052030+2040600(12060)45-203425(30+10)(26+14)70优选-.

7、(26+14)(70-40)90(301550)(35+45)(90-10)610-(21+29)36(3+6)0(40+18030)2800-(706+180)-25(22+263)80(32+8)300180(3612)+645015+103(240+180)(302)800-800803065(40+203)36+36012优选-.5121+795456+356675-375398-6391258+4649-149-32678-326681240-523134-342312090-11090527+6356848+6852优选-.2.42.41.41.41.051.0516160.25+

8、1.250.25+1.2514-(9.85+1.07)14-(9.85+1.07)60-(9.5+28.9)60-(9.5+28.9)2.881-0.242.881-0.243.53.5(2.44-1.8)(2.44-1.8)0.40.428-1.2528-1.252.42.42.552.557.1+2.457.1+2.457.17.1-15.5-(3.21+5.79)15.5-(3.21+5.79)(3.2(3.24)4)5 531.531.54 49 925257.8+2.27.8+2.22 22.5+2.52.5+2.52 236.2536.259.99.924242.52.50.80.

9、819.419.46.1+2.36.1+2.35.675.670.2-0.620.2-0.6218.118.10.92+0.920.92+0.920.40.40.70.70.250.250.78+5.42+10.78+5.42+14.84.85 54 49.99.95+65+620.320.32 29 97.27.20.8-1.20.8-1.20.80.8优选-.4.8-1.24.8-1.24 43.4+1.253.4+1.252.42.431.8+431.8+45 50.640.6425+2.225+2.22 22.5+2.52.5+2.52 21941941.81.80.90.92.42.

10、42.52.50.80.819.419.46.1+2.36.1+2.3-5.675.670.2-0.620.2-0.6218.118.10.92+3.930.92+3.930.0430.04324+0.87524+0.8750.78+5.40.78+5.42 24.074.070.86+9.120.86+9.12606028.928.90.180.180.43+0.240.43+0.243.53.515.5-(3.21+5.79)15.5-(3.21+5.79)3.23.24 45 519419464.864.80.90.9(10(106.76)6.76)1.21.2(6.8-6.8(6.8-

11、6.80.55)+8.50.55)+8.50.120.124.8+0.124.8+0.124.84.8(17.7-7.2)(17.7-7.2)3 31.7+2.51.7+2.51.61.69.729.721.6-18.31.6-18.3优选-.3.23.21.5+2.51.5+2.5X-0.85x=3X-0.85x=30.250.250.5x=10.5x=1x+3.4=5x+3.4=5x-3.6=2.7x-3.6=2.72.5x=102.5x=10 x x0.2=50.2=55x+18=485x+18=482x-27=212x-27=214.2x+2.5x=13.44.2x+2.5x=13.4

12、-0.4x+2.6x=7.80.4x+2.6x=7.85.2x=10.45.2x=10.4x x1.5=91.5=96x-10.2=25.86x-10.2=25.87x+3x=1007x+3x=1000.6+x=7.60.6+x=7.62.8x-0.8x=52.8x-0.8x=5X+28=70X+28=702x=8.62x=8.6x x10=12.510=12.53x-2.4=6.63x-2.4=6.6X-0.75x=3X-0.75x=33x+7x-8.3=7.73x+7x-8.3=7.70.65+2.7+0.35+7.30.65+2.7+0.35+7.3优选-.(10.8-2.7)(10.8

13、-2.7)(9.2+8.8)(9.2+8.8)5.8x=17.45.8x=17.46x+13=436x+13=433.83.80.56+0.560.56+0.566.26.29x+5x=8.49x+5x=8.421x+18x=7.821x+18x=7.812.8-(7.5+4.5)12.8-(7.5+4.5)2.52.57+2x=377+2x=374x=5.24x=5.23.8x-0.8x=5.43.8x-0.8x=5.46.8+3.2x=14.86.8+3.2x=14.87.8+x=12.47.8+x=12.4-0.5x=240.5x=242x-63=392x-63=392x-2.82x-2

14、.83=0.63=0.6X-3.2=6.5X-3.2=6.54.5+x=6.94.5+x=6.9x x0.4=80.4=85.4x+6.6x=19.25.4x+6.6x=19.227+x=4527+x=45x x1.1=61.1=61.6+1.2x=8.81.6+1.2x=8.83x-0.8=2.53x-0.8=2.5X-0.6x=4X-0.6x=4优选-.423555914314514925131313221321121151113218421211321842121-19294912355135889172173171231319449981221231213288131888959297

15、1214121241529151512118111124672424优选1-.917126312202020116727271176616351141414913213713711716161618112121-15151512577916516316452355782838172554252511123125124444151315155318882515111531527571051191919优选111-.7x-11.5x-11.5 8.58.53x-x-1010531-1-1717x x 0.40.4 2.52.51911720-20205 239-995x-2.7=3.85x-2.7=3.82.5+0.2x=12.52.5+0.2x=12.5x-0.85x=3x-0.85x=35.4x+0.6x=19.25.4x+0.6x=19.20.4x+0.25=0.570.4x+0.25=0.576x-12.86x-12.83=0.063=0.06-531-1-131371512-121271310+10-10151 1121219 11730-3030优选