小学三年级口算600题
小学三年级数学口算题大全可以打印免费(9篇)
小学三年级数学口算题大全可以打印免费（9篇）小学三年级数学口算题大全可以打印免费篇11、40÷8=2、15×5=3、23×3=4、12×25=5、480÷8=6、16×5=7、27×3=8、90÷15=9、48÷4=10、640÷6=11、39÷3=12、24×20=13、32×3=14、48÷6=15、12×8=16、27×3=17、56÷4=18、24÷8=19、14×2=20、83－45=21、56÷8=22、96÷2=23、40÷2=24、40×30=25、37＋26=26、76－39=28、30×23=29、12×8=30、27＋32=31、48＋27=32、45×20=33、73＋15 =34、12×60=35、20×36=36、68×40=37、280＋270=38、4×250=39、600÷4=40、5×1280=41、310－70=42、40×14=43、470＋180=44、100÷5=45、16×60=46、20×420=47、29×30=48、8100÷3=49、760÷2=50、760÷4=小学三年级数学口算题大全可以打印免费篇251、680＋270=52、980÷4=53、4200÷30=55、1300×5=56、200×48=57、930－660=58、530＋280=59、920÷4=60、190÷2=61、20×16=62、870÷3=63、30×33=64、3×140=65、700÷4=66、600÷1=67、960÷8=68、14×30=69、880÷4=70、960÷8=71、750－290=72、5×490=73、760×2=74、7500÷5=75、37×20=76、650÷3=77、860－420=78、240×4=79、640÷8=80、15×10=81、12×11=82、160×3=83、220×4=85、450÷5=86、120×2=87、90÷3=88、270÷3=89、27×30=90、84÷2=91、76÷9=92、66÷7=93、100－54=94、123＋15=95、360÷4=96、55÷5=97、67+580=98、580－490=99、910－370=100、25×8=小学三年级数学口算题大全可以打印免费篇3101、270－190=102、36×2=103、75÷5=104、330÷1=105、6×800=106、540÷9=107、420÷6=108、3×330=109、300×7=110、9×500=112、630÷7= 113、560÷7= 114、480÷2= 115、350÷7= 116、370＋560= 117、520＋490＝ 118、450－90＝ 119、80＋330＝ 120、70×70＝121、700÷7＝122、400÷8＝123、240÷2＝124、420－90＝ 125、170＋320＝ 126、100－51＝ 127、910－190＝ 128、35×20＝129、22×20＝130、88÷4＝131、90÷3＝132、6×300＝133、15×5=134、16×5=135、23×3=136、12×50= 137、27×3=138、48÷4=139、90÷9=140、24×20=142、48÷16=143、12×8=144、27×3=145、56÷4=146、76－39=147、605＋59=148、24÷8=149、14×2=150、83－45=小学三年级数学口算题大全可以打印免费篇4151、96÷4=152、40÷2=153、40×30=154、16×30=155、12×8=156、27＋32=157、48＋27=158、45×20=159、120×6=160、30×23=161、123＋15=162、280＋270=163、200×3=164、4×250=165、310－70=166、400×4=167、470＋180=169、20×42= 170、29×30= 171、680＋270= 172、6×130= 173、13×50= 174、20×48= 175、930－660= 176、360÷4= 177、530＋280= 178、18×50= 179、20×16= 180、300×3= 181、3×1400= 182、60÷2=183、14×30= 184、5×400= 185、370×200= 186、65÷13= 187、15×10= 188、84÷21= 189、100－54= 190、12×11= 191、22×40= 192、104×5= 193、120×2= 194、90÷30= 195、27×30= 196、55÷5=197、32×6=199、140×7=200、13×6=小学三年级数学口算题大全可以打印免费篇5900＋200= 2000＋800= 390＋90= 200＋90= 3×5＋26= 8＋2×4= 120＋80= 300－297= 12＋3×5= 3800－300= 650＋90= 300÷5= 245÷8≈ 850÷5= 42×4= 100×8=90÷2= 16×3= 120×4= 25×5=小学三年级数学口算题大全可以打印免费篇624×3＝ 24×40＝3×17＝68÷2＝303×3＝ 303÷3＝480－97＝ 285＋199＝ 306÷3＝ 480＋50＝ 910－70＝ 100－27＝ 300－198＝200＋199＝ 498－195＝54＋46＝ 84－26＝300＋298＝36＋56＝50－39＝小学三年级数学口算题大全可以打印免费篇799÷9＝ 90－3＝ 37＋28＝880－80＝8400－400＝ 46＋44＝ 900－70＝ 85－7＝ 17＋23＝80－25＝50－41＝ 86－28＝300÷6＝ 5400＋60＝23＋32＝ 20＋427＝ 4×52＝ 3×32＝ 47×2＝ 12×4＝小学三年级数学口算题大全可以打印免费篇8240×5＝500×100＝300－196＝420÷2＝70－28＝ 460－40＝ 82÷2＝96÷3＝30＋42＝32＋68＝ 286＋214＝ 26＋37＝14×2＝120×3＝ 370＋300＝403×4＝400÷8＝300×4＝96－48＝72－60＝小学三年级数学口算题大全可以打印免费篇93000＋300＝19＋36＝45＋28＋55＝39＋61=480-27-73＝90÷3÷3＝370－50＋50＝1000－900＝ 53－38＝1300＋700＝900－60＝300×2＝425÷7≈ 218÷3≈178÷2≈380×4≈500―300= 970―220= 56÷（38－30）= 72×2=。
人教版小学数学三年级数学口算题600道(全套)
人教版小学数学三年级数学口算题600道(全套)40-2=3870+90=16070+2=72140-7=13370+50=120421÷7≈6052+35=87720÷8=909×799≈72009×799=719180÷4=2026+9=3545×28≈1260160-60=100160÷8=20150+40=1902100÷3=70050×80=400028÷7=4500×4=200024÷8=312×20=24035÷5=750÷5＝103×800＝2400 420÷7＝603×220＝660480÷4＝12058＋33＝91420－20＝40093÷3＝31880÷4＝220 1200－200＝1000 11×7＝7780－46＝3482÷9≈945+45=9050×90=4500 42×98≈4116 5×5+52=77 90+30=120 90+40=130 170-90=80 110-30=80 50+80=130 110-80=30 50+90=140 400+300=700 21×30＝630 660÷6＝110 65×10＝650 540÷6＝90 22×40＝880 80×80＝6400 10×47＝470 30×70＝2100 0÷93＝0600÷6＝10010×36＝360660÷3＝22043＋38＝81720÷8＝9036＋56＝9223×30＝69010×73＝73090×50＝4500800÷8＝1006000＋2000＝8000 120×4＝480640÷2＝32052×94≈4888250÷5=5063÷9=7280÷4=7050×50=2500810÷9=90300×6=180025+41=66 140÷7=2020×31=620 90-65=2552×44≈2288 74×54≈3996 41×75≈3075 40×70＝2800 131÷6≈21.8 900÷3＝300 57＋29＝86 125÷2≈62.5 4×9÷6=690÷9=10 1600÷2=800 71-68=3600÷1=600 1500÷3=500 9×300=2700 3×200＝600620÷2＝310660÷2＝330640÷8＝80880÷4＝220 7500－500＝7000 0÷91＝012×4＝483×31＝9358＋26＝84120×4＝4800×97＝0360÷9＝4044×2＝88960÷3＝32032×2＝642×440＝880460÷2＝23070＋500＝5703×33＝99280÷4＝709×400＝36003×330＝990690÷3＝23011×40＝440900×5＝450067－49＝18200÷4＝508000－1000＝7000 20×24＝48057＋29＝86540÷6＝9010×73＝73010×58＝5800÷49＝034×20＝68080×90＝720030×70＝2100120×4＝480640÷8＝80720÷9＝8010×34＝34065×10＝650660÷3＝220700×5＝350041×20＝8207000-3990=3010To find the difference een 7000 and 3990.we subtract 3990 from 7000 to get 3010.30x30=900When we multiply 30 by 30.we get the product 900.10x47=470The product of 10 and 47 is 470.30x23=690When we multiply 30 by 23.we get the product 690.660/6=110Dividing 660 by 6 gives us the quotient 110.5900-5000=900To find the difference een 5900 and 5000.we subtract 5000 from 5900 to get 900.11x40=440The product of 11 and 40 is 440.70x40=2800When we multiply 70 by 40.we get the product 2800.10x36=360The product of 10 and 36 is 360.6000+2000=8000Adding 6000 and 2000 gives us the sum 8000.80x80=6400When we multiply 80 by 80.we get the product 6400.29+14=43Adding 29 and 14 gives us the sum 43.80x50=4000When we multiply 80 by 50.we get the product 4000.200x4=800The product of 200 and 4 is 800.36+56=92Adding 36 and 56 gives us the sum 92.88x10=880When we multiply 88 by 10.we get the product 880.600/6=100Dividing 600 by 6 gives us the quotient 100.22x30=660When we multiply 22 by 30.we get the product 660.400+600=1000Adding 400 and 600 gives us the sum 1000.XXXAdding 34 and 29 gives us the sum 63.800/8=100Dividing 800 by 8 gives us the quotient 100.21x30=630When we multiply 21 by 30.we get the product 630.720/8=90Dividing 720 by 8 gives us the quotient 90.33x30=990When we multiply 33 by 30.we get the product 990. 32x20=640When we multiply 32 by 20.we get the product 640.87x10=870When we multiply 87 by 10.we get the product 870.500+40=540Adding 500 and 40 gives us the sum 540.22x40=880When we multiply 22 by 40.we get the product 880.440/4=110Dividing 440 by 4 gives us the quotient 110.33x20=660When we multiply 33 by 20.we get the product 660.320/4=80Dividing 320 by 4 gives us the quotient 80.83/9≈9.22When we divide 83 by 9.we get the XXX 9.22.77-29=48Subtracting 29 from 77 gives us the difference 48.0/93=0Dividing 0 by 93 gives us the quotient 0.640/2=320Dividing 640 by 2 gives us the quotient 320.30x50=1500When we multiply 30 by 50.we get the product 1500.75+18=93Adding 75 and 18 gives us the sum 93.600+700=1300Adding 600 and 700 gives us the sum 1300.210/7=30Dividing 210 by 7 gives us the quotient 30.3x8=24The product of 3 and 8 is 24.80/2=40Dividing 80 by 2 gives us the quotient 40.40x10=400When we multiply 40 by 10.we get the product 400.180/3=60Dividing 180 by 3 gives us the quotient 60.80x99≈7920When we multiply 80 by 99.we get the product approximately equal to 7920.280/4=70Dividing 280 by 4 gives us the quotient 70.90x100=9000When we multiply 90 by 100.we get the product 9000.8/1x8=64Multiplying 8 by 1 gives us 8.and then multiplying 8 by 8 gives us the product 64.20+90=110Adding 20 and 90 gives us the sum 110.80+20=100Adding 80 and 20 gives us the sum 100.130-2=128Subtracting 2 from 130 gives us the difference 128.310x3=930When we multiply 310 by 3.we get the product 930.390/3=130Dividing 390 by 3 gives us the quotient 130.230x3=690When we multiply 230 by 3.we get the product 690.11x4=44The product of 11 and 4 is 44.82-55=27Subtracting 55 from 82 gives us the difference 27.310x3=930When we multiply 310 by 3.we get the product 930.720/9=80Dividing 720 by 9 gives us the quotient 80.4700-700=4000To find the difference een 4700 and 700.we subtract 700 from 4700 to get 4000.360/6=60Dividing 360 by 6 gives us the quotient 60.37+56=93Adding 37 and 56 gives us the sum 93.32x3=96When we multiply 32 by 3.we get the product 96.70x7=490When we multiply 70 by 7.we get the product 490.1200-715=485To find the difference een 1200 and 715.we subtract 715 from 1200 to get 485.159/4≈39.75When we divide 159 by 4.we get the XXX 39.75.620/2=310Dividing 620 by 2 gives us the quotient 310.6x800=4800The product of 6 and 800 is 4800.960/3=320Dividing 960 by 3 gives us the quotient 320.1500-903=597To find the difference een 1500 and 903.we subtract 903 from 1500 to get 597.0/54=0Dividing 0 by 54 gives us the quotient 0.23x3=69When we multiply 23 by 3.we get the product 69.12x30=360When we multiply 12 by 30.we get the product 360.7x80=560When we multiply 7 by 80.we get the product 560.48x10=480When we multiply 48 by 10.we get the product 480.600/3=200Dividing 600 by 3 gives us the quotient 200.48+28=76Adding 48 and 28 gives us the sum 76.641/8≈80.13When we divide 641 by 8.we get the XXX 80.13.480/8=60Dividing 480 by 8 gives us the quotient 60.7x50=350When we multiply 7 by 50.we get the product 350.880/8=110Dividing 880 by 8 gives us the quotient 110.879/8≈109.88When we divide 879 by 8.we get the XXX 109.88.9x500=4500The product of 9 and 500 is 4500.80+17=97Adding 80 and 17 gives us the sum 97.54+28=82Adding 54 and 28 gives us the sum 82.42x3=126When we multiply 42 by 3.we get the product 126.1700-800=900To find the difference een 1700 and 800.we subtract 800 from 1700 to get 900.90/3=30Dividing 90 by 3 gives us the quotient 30.180/3=60Dividing 180 by 3 gives us the quotient 60.300/5=60Dividing 300 by 5 gives us the quotient 60.930/3=310Dividing 930 by 3 gives us the quotient 310.800/4=200Dividing 800 by 4 gives us the quotient 200.60-15=45Subtracting 15 from 60 gives us the difference 45.900/3=300Dividing 900 by 3 gives us the quotient 300.450/9=50Dividing 450 by 9 gives us the quotient 50.299/6≈49.83When we divide 299 by 6.we get the XXX 49.83.50x7=350When we multiply 50 by 7.we get the product 350.0x37=0Multiplying 0 by 37 gives us the product 0.53-14=39Subtracting 14 from 53 gives us the difference 39.17+27=44Adding 17 and 27 gives us the sum 44.840/4=210Dividing 840 by 4 gives us the quotient 210.2x14=28The product of 2 and 14 is 28.140/2=70Dividing 140 by 2 gives us the quotient 70.660/6=110Dividing 660 by 6 gives us the quotient 110.7x800=5600The product of 7 and 800 is 5600.7x700=4900The product of 7 and 700 is 4900.840/2=420Dividing 840 by 2 gives us the quotient 420.430x2=860When we multiply 430 by 2.we get the product 860.540/9=60Dividing 540 by 9 gives us the quotient 60.31x3=93When we multiply 31 by 3.we get the product 93.13x3=39When we multiply 13 by 3.we get the product 39.34+56=90Adding 34 and 56 gives us the sum 90.96/3=32Dividing 96 by 3 gives us the quotient 32.2x330=660The product of 2 and 330 is 660.50x6=300When we multiply 50 by 6.we get the product 300.1807-800=1007To find the difference een 1807 and 800.we subtract 800 from 1807 to get 1007.63/3=21Dividing 63 by 3 gives us the quotient 21.26+57=83Adding 26 and 57 gives us the sum 83.800/8=100Dividing 800 by 8 gives us the quotient 100.33+57=90Adding 33 and 57 gives us the sum 90.600x3=1800When we multiply 600 by 3.we get the product 1800.37+8=45Adding 37 and 8 gives us the sum 45.480/8=60Dividing 480 by 8 gives us the quotient 60.630/3=210Dividing 630 by 3 gives us the quotient 210.62-33=29Subtracting 33 from 62 gives us the difference 29.500+500=1000Adding 500 and 500 gives us the sum 1000.33x2=66When we multiply 33 by 2.we get the product 66.800/2=400Dividing 800 by 2 gives us the quotient 400.700/8=87.5Dividing 700 by 8 gives us the XXX 87.5.0/47=0Dividing 0 by 47 gives us the quotient 0.560/7=80Dividing 560 by 7 gives us the quotient 80.440/4=110Dividing 440 by 4 gives us the quotient 110.93/3=31Dividing 93 by 3 gives us the quotient 31.24x2=48When we multiply 24 by 2.we get the product 48.40x40=1600When we multiply 40 by 40.we get the product 1600.40x10=400When we multiply 40 by 10.we get the product 400.89/3≈29.67When we divide 89 by 3.we get the XXX 29.67. 562/7≈80.29When we divide 562 by 7.we get the XXX 80.29.241/2≈120.5When we divide 241 by 2.we get the XXX 120.5.30/(3-1)=15When we divide 30 by the difference of 3 and 1.we get the quotient 15.24x2-3=45When we multiply 24 by 2.we get 48.and then subtracting 3 gives us the result 45.0/54=0Dividing 0 by 54 gives us the quotient 0.23-3=20，20×3=6013×30=3907×81=56753×10=53060×70=420023×30=690 60×50=3000 70×80=5600 10×68=680 40×50=2000 30×21=630 7×11=7750×70=3500 24×2=4830×70=2100 10×74=740 50×10=500 70×11=770 30×40=1200 24×20=480 12×20=240 30×21=630 20×70=1400 28×1=2820×13=2601×36=3610×19=190 11×50=550 30×30=900 28×10=280 20×50=1000 10×36=360 30×33=990 21×40=840 12×10=120 31×2=6214×20=280 6×90=540 20×33=660 90×20=1800 20×13=260 31×20=620 22×3=6660×90=5400 39×10=39021×2=4244×20=880 12×4=4822×30=660 22×4=8830×80=2400 33×10=330 50×90=4500 12×40=480 220×3=660 22×40=880 90×40=3600 200×3=600 41×20=820 21×30=630 10×46=460 3×700=2100 33×30=990 20×41=820 6×600=360024×20=480 50×30=1500 0×45=050×70=3500 800×7=5600 723÷9≈80 10×89=890 69×10=690 13×30=390 23×30=690 4×90=360 60×60=3600 60×40=2400 90×30=2700 21×40=840 30×20=600 40×90=3600 2×31=6233×20=660 40×70=280048+19=67 70×6=420 4×900=3600 2×310=620 20+35=55 45+35=80 32×20=640 70×60=4200 84×1=84 900×6=5400 34×20=680 33×30=990 31×20=620 702×6=4212 84×10=840 9×800=7200 70×30=2100 2×42=8486-47=395×90=45022×30=6606×500=30008×70=56042×20=840 400+300=700 5×900=450010×33=33022×0=080×70=5600 201×4=8040÷20=06×60=36021×40=84080×40=320010×37=37020×50=1000 2000+300=2300 31×20=620 600+90=690 4700-700=400044-37=740×12=480 52+39=91 400÷8=50 480÷8=60 33×30=990 50×5=250 22×40=880 44+20=64 41×39≈1599 43×20=860 46+37=83 420÷6=70 300÷6=50 40×11=440 360÷9=40 10×34=340 40×90=3600 90×60=5400 490 ÷ 7 = 7020 × 34 = 680 300 × 3 = 900 80 × 4 = 32065 × 0 = 0330 ÷ 3 = 110 250 ÷ 5 = 50 680 - 80 = 600 880 ÷ 2 = 440 70 × 20 = 1400 400 ÷ 4 = 100 50 × 30 = 1500 640 ÷ 8 = 80 880 ÷ 4 = 220 400 + 300 = 700 34 + 39 = 73 360 ÷ 6 = 6099 × 10 = 990 12 × 20 = 240 30 × 80 = 2400 41 × 20 = 82097 × 10 = 970 700 ÷ 7 = 100 33 × 30 = 990 11 × 80 = 880 200 ÷ 4 = 50 84 - 47 = 37 630 ÷ 7 = 90 71 - 23 = 48 31 × 30 = 930 21 × 30 = 630 43 × 2 = 860 × 20 = 075 + 18 = 93 23 + 48 = 71 90 × 30 = 2700 30 × 12 = 360 46 + 24 = 70 0 ÷ 73 = 042 × 20 = 840 100 ÷ 5 = 2010 × 50 = 500 350 ÷ 5 = 70 52 - 29 = 23 240 × 2 = 480 800 × 3 = 2400 60 × 50 = 3000 410 × 2 = 820 41 × 20 = 820 310 × 3 = 930 20 × 23 = 460 440 ÷ 4 = 110 30 × 32 = 960 0 × 35 = 010 × 35 = 350 29 + 61 = 90 410 ÷ 7 ≈ 58.57 30 × 30 = 900 50 × 90 = 4500 80 × 30 = 2400 20 × 14 = 28090 × 50 = 4500 420 ÷ 6 = 70300 ÷ 6 = 50240 ÷ 4 = 6069 × 10 = 69022 × 40 = 88033 × 20 = 660 900 ÷ 9 = 10070 × 11 = 770 4500 - 500 = 4000 20 × 40 = 800 400 ÷ 4 = 10049 + 33 = 82707 ÷ 7 = 10123 × 3 = 6978 - 36 = 4211 × 4 = 44230 × 3 = 69046 ÷ 9 ≈ 5.1110 - 5 = 590 + 20 = 110 17 - 8 = 9180 - 80 = 100 350 ÷ 5 = 70 40 × 70 = 2800 43 + 38 = 81 90 × 50 = 4500 84 - 65 = 19 43 - 16 = 27 10 × 80 = 800 51 × 82 ≈ 4182 500 + 40 = 540 88 × 10 = 880 700 × 5 = 3500 81 × 99 ≈ 8019 40 × 70 = 2800 440 ÷ 4 = 110 32 × 3 = 9648 ÷ 4 = 12 540 ÷ 9 = 6090 ÷ 9 = 1013 × 3 = 39600 × 7 = 4200 120 × 3 = 360 480 ÷ 2 = 24039 ÷ 3 = 13560 ÷ 8 = 70 990 ÷ 3 = 330 420 ÷ 2 = 21063 ÷ 3 = 21160 ÷ 4 = 40 800 + 700 = 1500 690 ÷ 3 = 2302 × 440 = 88048 ÷ 2 = 24480 ÷ 2 = 24060 × 5 = 3002 × 44 = 88840 ÷ 4 = 2100 ÷ 51 = 00 × 85 = 070 ÷ 7 = 105 × 900 = 450084 ÷ 4 = 21930 ÷ 3 = 31083 - 57 = 2629 + 68 = 9768 - 49 = 1980 × 7 = 560330 ÷ 3 = 1103 × 23 = 6942 × 42 ≈ 176466 × 54 ≈ 356466 + 26 = 92131 ÷ 6 ≈ 21.8383 ÷ 9 ≈ 9.22150 - 60 = 90删除有问题的段落后，文章变为：70+80=150110-6=10465÷9≈7.257－38＝191500－700＝80042×2＝8499÷3＝33770÷7＝110660÷3＝220960÷3＝320180÷9＝2065＋15＝80660÷6＝110800×2＝1600140÷2=70400÷8=50480÷6=8030×5=1504 = 不完整的式子，无法计算240÷6=40160÷2=8090÷3=3075÷1=75320÷8=40400÷4=100240÷4=60改写后的文章：这里有一些简单的数学问题。
小学三年级上册数学口算题大全600道
200+180=56+125= 400-70= 71+28= 6×8=36-18= 35÷5=90+150= 78÷9=45-27=720-180= 9×9=910-90= 38÷7= 220+150=6×9=6×7=40÷8=290-40=770-160=600+270=620+150=3×7=7×7=37÷6=56÷9=760+100=750+125=4×6=19÷8=200+50=430+27=720-70=820-128=33-17=71-43=81÷9=72÷8=71-24=250-60=28÷7=33÷6=66÷8=5×5=15+43=58-36=6×6=60+350=840+90=5×9=43÷7=460-72=34+23=34+56=13÷6=9×4=30+540=620-57=11÷5=67-53=52+81=9×9=83÷9=330-172= 38+52=5×6=8×6=62+52=41÷5=75+75=70+18=5×4=36÷6=70-18= 900-80=70+450=58+14=78-23=36÷7=44÷6=94-46=7×8=8×7=52÷7=6×4=500+700=30+38=84-12=4×4=2×2=2300-500=44+23=7×2=520-30=980-400=6×3=750+60=8×1=8×2=17÷5=8×3=26÷6=300+70=760-500=38÷7=700-300=270-80=7×3=22÷7=100-45=8×4=2×6=9×6=33÷6=370-230=69+30=32÷4=1×10=120-30=5×4=26+36=19+47=67÷8=64÷8=220+170=4×7=19÷6=21÷6=69+32=680-120=770+630=3×3=25×4=450×0=120-40=402×5=360-90=11+60= 630×3=560+40=72-24=9+50=630+70=120×5=250×5=14+40=24×5=70×8=880×2=40×8=57-28=801×9=120+20=250×1=28+68=100×0=902×1=17×4=30×6=18×3=68-4=48-16=70×2=200×8=280-70=320×8=30×6=180-60=560+80=150×2=140-5=125×8=700×2=72×3=42+30=902×6=120-40=402×5=25×4=450×0=630×3=560＋40=360-90=11+60=72-24=9+50=630+70=120×5=24×5=70×8=250×5=14+40=57-28=801×9=880×2=40×8=120+20=250×1=28+68=100×0=30×6=18×3=902×1=17×4=70×2=200×8=68-4=48-16=280-70=320×8=30×6=180－60=140-5=125×8=560+80=150×2=42+30=902×6=700×2=72×3=590+70= 800×5=440×1=25＋16=303×3=12×2=470+70= 64×1= 20×6=90×3=25×8=72×6= 420×6= 280+40=55×5=48×4=120-40=402×5= 25×4=450×0=630×3=560+40=360-90=11+60=72-24=9+50=630+70=120×5=24×5=70×8=250×5=14+40=57-28=801×9=880×2=40×8=120+20=250×1=28+68=100×10=30×6=18×3=902×1=17×4=70×2=200×8=68-4=48-16=280-70=320×8=30×6=180-60=140-5=125×8=560+80=150×2=42+30=902×6=700×2=72×3=590+70=800×5=440×0=25+16=303×3=12×2=470+70=64×0=20×6=90×3＝25×8=72×6=420×6=280+40=55×5=48×4=68+96=300+620=85+126=308+22=37+49=87+56=56+113=44+38=49+67=57+65=88+77=83+49=99+66=52+108=101+99=65+125=64+119=83+107=750+150=96+45=804+36=95+70=3655+345= 820+360=464+36= 4300+2600= 843+57= 9700+300=265+600= 5600+200= 341+59= 340+560=67+233= 510+670= 269+600= 350+70=6782+3218= 540+1260= 1400+3700= 340+2460=470+530=740+600=6700+600=890+1110=870+120=820+132=310+690=420+655=460+1340=430+150=2100+910=270+123=450+1550=323+232=260+1340=456+123=2400+1200=4500+3700=680+1220=3400+540=420+1580=6800+120=4000+400=540+1460=870-650=420-210=304+38=877+177=304-38=877-177=582+60=625+85=582-60=625-85=580+250=326+87=580-250=326-87=672+570=520+185=672-570=520-185=154+46=345+65=154-46=345-65=865+528=865-528=545+255=386+214=253-143=296-286=387+213=499+501=873-663=987-647=866+134=534+266=376-286=800-480=645-454=8000-7000=872-672=4650-460=口算1厘米=（）毫米50厘米=（）分米10厘米=（）分米40分米=（）米3米=（）厘米1米=（）厘米10分米=（）米100厘米=（）米40毫米=（）厘米70厘米=（）分米20分米=（）米80毫米=（）厘米30毫米=（）厘米80厘米=（）分米4分米=（）厘米5分米=（）厘米60毫米=（）厘米6厘米=（）毫米30分米=（）厘米80厘米=（）分米1分米=（）毫米4米=（）厘米1米=（）分米90毫米=（）厘米30米-20分米=（）米6分米+（）厘米=1米20米-70分米=（）分米７０厘米+３０厘米＝（）分米２７０米+（）米=1千米405米+（）米=1千米3米-（）厘米=1米5米+（）分米=6米8米+（）分米=90分米1千米-（）米=350米（）米+1千米=2000米86千克-52千克=（）千克2吨-325千克=（）千克35千克+18千克=（）千克56吨+（）千克=62吨８５０千克+１５０千克＝（）吨24千克+（）千克＝１００千克３０７克-６０克＝（）克６吨-５００千克＝（）千克46吨-15吨=（）吨40毫米=（）厘米70厘米=（）分米20分米=（）米30毫米=（）厘米80厘米=（）分米4分米=（）厘米60毫米=（）厘米6厘米=（）毫米30分米=（）厘米1分米=（）毫米4米=（）厘米1米=（）分米90毫米=（）厘米80厘米=（）分米5分米=（）厘米找规律填空：3255、3155、（）、（）、2855 4550、4575、（）、（）、4675填空和2300相邻的两个数是（）和（）和1450相邻的两个数是（）和（）和1700相邻的两个数是（）和（）和2800相邻的两个数是（）和（）和3200相邻的两个数是（）和（）和320相邻的两个数是（）和（）和150相邻的两个数是（）和（）和144相邻的两个数是（）和（）和5700相邻的两个数是（）和（）和185相邻的两个数是（）和（）和3567相邻的两个数是（）和（）和3998相邻的两个数是（）和（）和2120相邻的两个数是（）和（）和540相邻的两个数是（）和（）和1500相邻的两个数是（）和（）和670相邻的两个数是（）和（）和2900相邻的两个数是（）和（）和450相邻的两个数是（）和（）和3300相邻的两个数是（）和（）和560相邻的两个数是（）和（）和123相邻的两个数是（）和（）和890相邻的两个数是（）和（）和678相邻的两个数是（）和（）和36700相邻的两个数是（）和（）。