资源预览需要最新版本的Flash Player支持。
您尚未安装或版本过低,建议您
310× 3= 720÷ 9= 4700- 700= 600÷ 3= 48+ 28= 640÷ 8= 800÷ 8= 880÷ 8= 9× 500= 80+ 17= 54+ 28= 42× 3= 1700- 800= 90÷ 3= 180÷ 3= 300÷ 5= 930÷ 3= 800÷ 4= 60- 15= 900÷ 3= 450÷ 9= 360÷ 6= 37+ 56= 32× 3= 70× 7= 1200- 700= 300÷ 6= 0× 37= 53- 14= 17+ 27= 840÷ 4= 2× 14= 140÷ 2= 660÷ 6= 7× 800= 7× 700= 840÷ 2= 430× 2= 540÷ 9= 31× 3= 13× 3= 34+ 56= 96÷ 3= 2× 330= 50× 6= 680÷ 2= 620÷ 2= 6× 800= 960÷ 3= 1500- 900= 1800- 800= 63÷ 3= 26+ 57= 800÷ 8= 33+ 57= 600× 3= 37+ 8= 480÷ 8= 630÷ 3= 62- 33= 500+ 500= 33× 2= 800÷ 2= 700÷ 8= 0÷ 47= 560÷ 7= 440÷ 4= 93÷ 3= 24× 2= 0÷ 54= 12× 30= 7× 80= 48× 10= 40× 40= 40× 10= 23× 30= 60× 50= 70× 80= 10× 68= 40× 50= 30× 21= 50× 70= 24× 2= 2× 42= 86- 47= 5× 90= 22× 30= 6× 500= 8× 70= 42× 20= 400+ 300= 5× 900= 10× 33= 22× 0= 80× 70= 200× 4= 0÷ 20= 6× 60= 22× 40= 44+ 20= 40× 40= 43× 20= 46+ 37= 420÷ 6= 300÷ 6= 40× 11= 360÷ 9= 10× 34= 40× 90= 90× 60= 490÷ 7= 20× 34= 300× 3= 80× 4= 65× 0= 330÷ 3= 250÷ 5= 680- 80= 21× 40= 80× 40= 10× 37= 20× 50= 2000+ 300= 880÷ 2= 70× 20= 400÷ 4= 0× 66= 50× 30= 640÷ 8= 880÷ 4= 400+ 300= 34+ 39= 360÷ 6= 99× 10= 12× 20= 30× 80= 41× 20= 97× 10= 700÷ 7= 33× 30= 0÷ 59= 11× 80= 200÷ 4= 31× 20= 600+ 90= 4700- 700= 44- 37= 40× 12= 84- 47= 630÷ 7= 71- 23= 0÷ 43= 31× 30= 21× 30= 43× 2= 0× 20= 75+ 18= 23+ 48= 90× 30= 30× 12= 46+ 24= 0÷ 73= 42× 20= 100÷ 5= 10× 50= 350÷ 5= 52- 29= 240× 2= 52+ 39= 400÷ 8= 480÷ 8= 33× 30= 50× 5= 800× 3= 60× 50= 410× 2= 41× 20= 310× 3= 20× 23= 440÷ 4= 30× 32= 0× 35= 10× 35= 29+ 61= 40× 70= 30× 30= 50× 90= 80× 30= 20× 14= 90× 50= 420÷ 6= 300÷ 6= 240÷ 4= 69× 10= 22× 40= 33× 20= 900÷ 9= 810÷ 9= 630÷ 9= 30× 23= 330× 3= 0× 30= 750- 50= 480÷ 8= 5000+ 2000= 77- 48= 300÷ 5= 300+ 700= 420÷ 2= 820÷ 2= 70× 11= 4500- 500= 20× 40= 400÷ 4= 11× 40= 900× 5= 67- 49= 200÷ 4= 8000- 1000= 20× 24= 57+ 29= 540÷ 6= 10× 73= 10× 58= 0÷ 49= 34× 20= 80× 90= 30× 70= 120× 4= 640÷ 8= 720÷ 9= 10× 34= 65× 10= 660÷ 3= 700× 5= 41× 20= 7000- 3000= 30× 30= 10× 47= 30× 23= 660÷ 6= 5900- 5000= 11× 40= 70× 40= 10× 36= 6000+ 2000= 80× 80= 29+ 14= 80× 50= 200× 4= 36+ 56= 88× 10= 600÷ 6= 22× 30= 400+ 600= 34+ 29= 800÷ 8= 21× 30= 720÷ 8= 33× 30= 32× 20= 87× 10= 500+ 40= 22× 40= 440÷ 4= 33× 20= 320÷ 4= 900÷ 3= 77- 29= 0÷ 93= 640÷ 2= 30× 50= 75+ 18= 600+ 700= 40× 70= 43+ 38= 90× 50= 84- 65= 43- 16= 10× 80= 57+ 29= 500+ 40= 88× 10= 700× 5= 80× 90= 40× 70= 21× 30= 660÷ 6= 65× 10= 540÷ 6= 22× 40= 80× 80= 10× 47= 30× 70= 0÷ 93= 600÷ 6= 10× 36= 660÷ 3= 43+ 38= 720÷ 8= 36+ 56= 23× 30= 10× 73= 90× 50= 800÷ 8= 6000+ 2000= 120× 4= 640÷ 2= 9÷ 3= 90÷ 3= 900÷ 3= 70× 20= 180÷ 2= 4000÷ 5= 360÷ 6= 1400÷ 7= 200÷ 5= 720÷ 8= 27÷ 9= 270÷ 9= 30× 60= 300÷ 6= 150÷ 5= 490÷ 7= 90× 4= 90÷ 3= 90× 70= 42÷ 6× 6= 24÷ 4= 240÷ 4= 90× 9= 8100÷ 9= 300÷ 5= 420÷ 7= 720÷ 9= 20× 21= 300÷ 6= 140÷ 2= 700× 8= 350÷ 5= 5× 6+41= 1600÷ 4= 2700÷ 9= 4000÷ 8= 360÷ 6= 1400÷ 2= 200÷ 4= 720÷ 9= 78÷ 4≈ 83÷ 9≈ 470÷ 8≈ 178÷ 6≈ 83÷ 9≈ 360÷ 5≈ 410÷ 7≈ 125÷ 2≈ 21÷ 4≈ 71÷ 9≈ 80÷ 8= 40× 80= 7520× 10= 40÷ 8= 320÷ 4= 85200÷ 5= 60× 50= 40÷ 5÷ 2= 150÷ 3= 100÷ 5= 420÷ 6= 70× 20= 180÷ 2= 80+8= 1402060+40= 160210÷ 7= 30× 80= 800÷ 2= 40× 80= 300÷ 5= 180÷ 3= 50× 2= 480÷ 6= 42+36= 8× 3÷ 4= 40× 50= 41+25= 40× 7= 350÷ 7= 40× 9= 36+24= 120÷ 2= 7830× 8= 12÷ 4+9= 25÷ 4≈ 73÷ 9≈ 65÷ 8≈ 138÷ 7≈ 359÷ 6≈ 435÷ 7≈ 410÷ 6≈ 330÷ 8≈ 321÷ 4≈ 181÷ 9≈ 160÷ 4= 270÷ 9= 400÷ 8= 360÷ 6= 810÷ 9= 300÷ 5= 420÷ 7= 1400÷ 2= 200÷ 4= 720÷ 9= 50÷ 1= 40× 30= 150÷ 3= 180÷ 2= 80× 60= 40÷ 2= 60× 20= 60÷ 2= 420÷ 6= 64÷ 8× 8= 18050+500= 120180600+600= 11020+70= 40+500= 150120720÷ 9= 40× 50= 360÷ 4= 450÷ 5= 39+45= 300÷ 6= 420÷ 7= 100÷ 5= 40× 2= 18÷ 2÷ 3= 245÷ 8≈ 80÷ 9≈ 721÷ 8≈ 453÷ 6≈ 73÷ 9≈ 256÷ 5≈ 214÷ 7≈ 125÷ 2≈ 21÷ 4≈ 73÷ 9≈ 280÷ 4= 360÷ 9= 320÷ 8= 180÷ 6= 630÷ 9= 4000÷ 5= 630÷ 7= 1600÷ 2= 2800÷ 4= 540÷ 9= 60× 5= 300÷ 5= 60× 6= 400÷ 5= 80× 7= 160÷ 8= 36+42= 210÷ 3= 4× 200= 48÷ 6× 4= 900+700= 90+80= 90+9= 1220010+10= 120130140200300× 6= 280÷ 7= 240÷ 8= 3× 90= 200÷ 5= 4× 10= 120÷ 3= 400× 9= 810÷ 9= 5× 714÷ 4≈ 17÷ 9≈ 650÷ 8≈ 35÷ 6≈ 83÷ 3≈ 41÷ 5≈ 50÷ 7≈ 164÷ 2≈ 19÷ 4≈ 70÷ 9≈ 900× 5= 140÷ 2= 40× 60= 1500÷ 5= 210÷ 3= 80× 4= 240÷ 4= 80× 7= 160÷ 2= 4× 8+52= 2000÷ 4= 2700÷ 9= 4000÷ 8= 4200÷ 6= 8100÷ 9= 3000÷ 5= 420÷ 7= 1000÷ 2= 2000÷ 4= 450÷ 9= 900× 2= 80÷ 4= 490÷ 7= 45100÷ 2= 30× 6= 90÷ 3= 80× 60= 400÷ 10= 9× 9+12= 100÷ 1= 50× 50= 720÷ 8= 810÷ 9= 80× 20= 180÷ 9= 270÷ 9= 270÷ 3= 30× 40= 27÷ 9× 9= 75÷ 9≈ 32÷ 5≈ 60÷ 8≈ 37÷ 6≈ 20÷ 9≈ 24÷ 5≈ 48÷ 7≈ 15÷ 2≈ 25÷ 4≈ 80÷ 9≈ 19020015070+30= 16⑿ 40+80= 101101006+10= 240÷ 6= 30× 7= 80÷ 8= 320÷ 4= 30× 5= 60÷ 3= 30× 21= 630÷ 9= 40× 90= 25÷ 5× 8= 20+10= 11070+80= 14070+90= 70+2= 14070+50= 700+600= 17720÷ 8= 9× 800= 52+35= 80÷ 4= 140÷ 2= 60× 2= 60÷ 2= 490÷ 7= 100÷ 2= 54÷ 6× 4= 25÷ 4≈ 340÷ 9≈ 470÷ 8≈ 178÷ 6≈ 812÷ 9≈ 201÷ 5≈ 450÷ 7≈ 142÷ 2≈ 35÷ 4≈ 46÷ 9≈ 1330+20= 30+70= 10+50= 19⒁ 10+60= 20+80= 50+70= 14019060÷ 6= 63+24= 42÷ 7= 5× 21= 56÷ 7= 25+41= 14÷ 7= 300× 7= 120÷ 2= 4× 9+40= 14030+6= 13020+90= 80+20= 60+90= 1090+20= 17180350÷ 5= 210÷ 7= 3× 8= 80÷ 2= 40× 10= 180÷ 3= 80× 90= 280÷ 4= 9× 100= 8÷ 1× 8= 42× 42≈ 66× 54≈ 42× 98≈ 131÷ 6≈ 83÷ 9≈ 45× 28≈ 421÷ 7≈ 150÷ 2≈ 45× 52≈ 65÷ 9≈ 90÷ 9= 1600÷ 2= 71600÷ 1= 1500÷ 3= 9× 300= 45+45= 50× 90= 66+26= 5× 5+52= 90+30= 90+40= 17011050+80= 11050+90= 400+300= 150160160÷ 8= 150+40= 2100÷ 3= 50× 80= 28÷ 7= 500× 4= 24÷ 8= 12× 20= 35÷ 5= 4× 9÷ 6= 250÷ 5= 63÷ 9= 280÷ 4= 50× 50= 810÷ 9= 300× 6= 25+41= 140÷ 7= 20× 31= 9052× 44≈ 74× 54≈ 41× 75≈ 131÷ 6≈ 83÷ 9≈ 51× 82≈ 410÷ 7≈ 125÷ 2≈ 52× 94≈ 45+15× 6= 250÷ 5× 8= 6× 5÷ 2× 4= 30× 3+8= 400÷ 4+20× 5= 10+12÷ 3+20= 360÷ 40= 40× 20= 8070+45= 90× 2= 16× 6= 300× 6= 540÷ 9=60 30× 20= 400÷ 4= 350160+70= 188= 42÷ 6+20= 407= 80+60÷ 3= 41+18÷ 2= 755= 42+7 5600÷ 80= 25× 16= 120× 25= 36× 11= 1025÷ 25= 336+70= 9× 4= 2003= 302012× 50= 25× 8= 23× 11= 125÷ 25= 4200220+80= 20× 8× 5= 600200= 20+20÷ 2= 355= 36+8 2800÷ 40= 98÷ 14 = 96÷ 24 = 56÷ 14 = 65÷ 13 = 75÷ 15 = 120÷ 24= 200÷ 25 = 800÷ 16 = 840÷ 21 = 560÷ 14 = 390÷ 13 = 600÷ 15 = 72÷ 24 = 85÷ 17 = 90÷ 15 = 96÷ 16 = 78÷ 26 = 51÷ 17 = 80÷ 40 = 100÷ 20 = 53+18= 104× 9= 420+80= 500- 60= 5+58= 280+450= 78+15= 200× 9= 84+17= 80- 44= 5× 7 7900 400+100= 1100 5000+300= 3000+600= 200+4000= 6400 9900 88÷ 8= 3× 700= 99÷ 1= 80× 3= 4× 300= 16÷ 4= 64÷ 8= 63÷ 7= 18÷ 2= 9× 106= 401× 5= 48÷ 6= 95 50× 9= 21÷ 3= 3× 500= 87 21+45= 67+19= 150× 3= 70× 9= 0× 109= 101× 7= 30× 9= 4× 500= 50× 7= 31 60 80 900+3000= 4200 900+200= 8000 4000+100= 5600+300= 5000+300= 10000 69÷ 7= 0÷ 9= 58+36= 40 110600 430043000 44+49= 8800 200+6000800 64+26= 9344+49= 200+60007=73003600 63 43009+61= 80 502 30÷ 6= 7400+6003+36= 6000+900= 20+67= 36 30÷ 3= 78+19= 84÷4= 21×3= 82 64+26= 19+66= 80×10= 300+700= 85+28= 76 22+29=800+600= 900+4000+80=42÷2= 40 9031×2= 93 9900 11063 314+19= 18+71= 50÷5= 310060040078 18+71= 2000+60= 58+36= 9300 80 44+29= 7634+19= 82000+800= 748= 7×10= 93 23+19=110023+19= 8250 5018+71= 800+600= 9300 39÷ 3= 96÷3= 800039÷3= 50÷ 5= 22÷2= 44+29= 634+19= 0÷ 24= 0× 24= 0+ 245= 245÷ 5= 50- 24÷ 4= 34+64= 42 60 28+56= 49+25= 85 92 37 29+43= 71 36 26+13= 65+33= 73+23= 45 72 50 53 63÷ 6= 120 80 53 18+62= 61 32× 3= 67 67+23= 80 55 16+25= 43× 2= 32+53= 42+15= 21+79= 120 25 62 47 21× 3= 44+17= 21+78= 76 93 28+35= 40× 3= 72 72÷ 3= 9× 110= 36+52= 58 6868 76 80× 5= 77 66 72 45+15= 17+46= 200× 4= 75+34= 57+33= 400÷ 8= 22× 4= 23- 18= 54+ 17= 12× 3= 840÷ 4= 400÷ 8= 22× 4= 23- 18= 54+ 17= 12× 3= 840÷ 4= 99+ 1= 31× 3= 84- 47= 280÷ 2= 320× 2= 540+ 20= 96- 46= 80× 50= 420÷ 7= 65+ 35= 110× 5= 73- 28= 930÷ 3= 24× 20= 26+9= 57- 38= 1500- 700= 42× 2= 99÷ 3= 770÷ 7= 660÷ 3= 960÷ 3= 180÷ 9= 65+ 15= 660÷ 6= 800× 2= 50÷ 5= 3× 800= 420÷ 7= 3× 220= 480÷ 4= 58+ 33= 420- 20= 93÷ 3= 880÷ 4= 1200- 200= 11× 7= 80- 46= 0÷ 51= 0÷ 76= 0× 85= 70÷ 7= 14× 2= 5× 900= 2× 200= 84÷ 4= 0÷ 91= 930÷ 3= 390÷ 3= 0+ 22= 83- 57= 29+ 68= 68- 49= 80× 7= 800÷ 4= 330÷ 3= 3× 23= 64÷ 2= 58+ 26= 34× 2= 550÷ 5= 800× 8= 420÷ 2= 63÷ 3= 160÷ 4= 800+ 700= 690÷ 3= 58- 0= 2× 440= 48÷ 2= 480÷ 2= 60× 5= 2× 44= 840÷ 4= 54+36= 37+55= 73 74+21= 120 29× 3= 90 70 56+34= 36+23= 21+67= 56÷ 3= 43+26= 61+46= 58 10÷ 3= 5÷ 2= 35÷ 5 = 82÷ 9= 51÷ 7 = 84÷ 9 = 46÷ 6 = 3×( ) = 12 ( )× 4 = 20 36÷ 4 = 31÷ 5= 13÷ 2 = 27÷ 7 = 41÷ 6 = 2×( ) = 10 ( )× 9 = 81 56÷ 7 = 29÷ 3= 9 ÷ 5 = 29÷ 3 = 24÷ 5 = 5×( ) = 45 ( )× 4 = 32 48÷ 6 = 43÷ 5= 54÷ 6 = 49÷ 5 = 79÷ 8 = 6×( ) = 36 ( )× 5 = 30 35÷ 7 = 72÷ 8= 27÷ 8 = 21÷ 4 = 37÷ 4 = 5×( ) = 25 ( )× 4 = 36 36÷ 9 = 28÷ 9= 39÷ 9 = 61÷ 7 = 48÷ 9 = 9×( ) = 72 ( )× 2 = 6 72÷ 9 = 24÷ 4= 67 67+23= 80 55 16+25= 43× 2= 32+53= 42+15= 21+79= 120 25 62 47 21× 3= 44+17= 21+78= 76 93 28+35= 40× 3= 72 72÷ 3= 9× 110= 36+52= 58 68 68 76 80× 5= 77 66 72 45+15= 17+46= 200× 4= 75+34= 57+33= 400÷ 8= 22× 4= 23- 18= 54+ 17= 12× 3= 840÷ 4= 400÷ 8= 22× 4= 23- 18= 54+ 17= 12× 3= 840÷ 4= 99+ 1= 31× 3= 84- 47= 280÷ 2= 320× 2= 540+ 20= 96- 46= 80× 50= 420÷ 7= 65+ 35= 110× 5= 73- 28= 930÷ 3= 24× 20= 26+9= 57- 38= 1500- 700= 42× 2= 99÷ 3= 770÷ 7= 660÷ 3= 960÷ 3= 180÷ 9= 65+ 15= 660÷ 6= 800× 2= 50÷ 5= 3× 800= 420÷ 7= 3× 220= 480÷ 4= 58+ 33= 420- 20= 93÷ 3= 880÷ 4= 1200- 200= 11× 7= 80- 46= 0÷ 51= 0÷ 76= 0× 85= 70÷ 7= 14× 2= 5× 900= 2× 200= 84÷ 4= 0÷ 91= 930÷ 3= 390÷ 3= 0+ 22= 83- 57= 29+ 68= 68- 49= 80× 7= 800÷ 4= 330÷ 3= 3× 23= 64÷ 2= 58+ 26= 34× 2= 550÷ 5= 800× 8= 420÷ 2= 63÷ 3= 160÷ 4= 800+ 700= 690÷ 3= 58- 0= 2× 440= 2× 44= 840÷ 4= 54+36= 37+55= 73 74+21= 120 29× 3= 90 70 56+34= 36+23= 21+67= 56÷ 3= 43+26= 61+46= 58 82÷ 9= 51÷ 7 = 84÷ 9 = 46÷ 6 = 3×( ) = 12 ( )× 4 = 20 36÷ 4 = 31÷ 5= 13÷ 2 = 27÷ 7 = 41÷ 6 = 2×( ) = 10 ( )× 9 = 81 56÷ 7 = 29÷ 3= 9 ÷ 5 = 29÷ 3 = 24÷ 5 = 5×( ) = 45 ( )× 4 = 32 43÷ 5= 54÷ 6 = 49÷ 5 = 79÷ 8 = 6×( ) = 36 ( )× 5 = 30 35÷ 7 = 72÷ 8= 27÷ 8 = 21÷ 4 = 37÷ 4 = 5×( ) = 25 ( )× 4 = 36 36÷ 9 = 28÷ 9= 39÷ 9 = 61÷ 7 = 48÷ 9 = 9×( ) = 72 ( )× 2 = 6 72÷ 9 = 24÷ 4= 14÷ 7 = 23÷ 6 = 47÷ 7 = 7×( ) = 28 ( )× 3 = 21 56÷ 8 = 28÷ 3= 65÷ 8 = 26÷ 3 = 51÷ 8 = 8×( ) = 4 ( ) × 4 =16 63÷ 7 = 34÷ 6= 10÷ 7 = 77÷ 9 = 37÷ 5 = 6×( ) = 24 ( )× 6 = 48 28÷ 7 = 36÷ 6= 17÷ 2 = 40÷ 6 = 19÷ 8 = 7×( ) = 56 ( )× 1 = 7 54÷ 9 = 64÷ 8= 58÷ 9 = 41÷ 7 = 66÷ 7 = 2×( ) = 14 ( )× 7 = 63 24÷ 6 = 49÷ 9= 35÷ 4 = 29÷ 9 = 29÷ 4 = 2×( ) = 8 ( )× 5 = 35 42÷ 6 = 30÷ 8= 15÷ 2 = 17÷ 6 = 32÷ 5 = 3×( ) = 18 ( )× 3 = 12 40÷ 8= 33÷ 9 = 46÷ 8 = 17÷ 7 = 9×( ) = 45 ( )× 9 = 54 32÷ 4 = 54÷ 6= 25÷ 4 = 23÷ 3 = 23÷ 9 = 6×( ) = 12 ( )× 8 = 24 16÷ 2 = 19÷ 2= 43÷ 5 = 67÷ 9 = 9 ÷ 4 = 8×( ) = 16 ( )× 3=27 42÷ 7 = 23÷ 5= 35÷ 6 = 29÷ 5 = 33÷ 5 = 1×( ) = 4 ( )× 3 = 9 49÷ 7 = 45÷ 5= 19÷ 2 = 23÷ 6 = 22÷ 4 = 7×( ) =49 ( )× 7 = 42 24÷ 8 = 26÷ 4= 37÷ 8 = 54÷ 8 = 55÷ 6 = 9×( ) = 18 ( )× 8 = 64 18÷ 6 = 64÷ 9= 69÷ 8 = 19÷ 3 = 510÷ 3= 40× 9= 23× 30= 84÷ 4= 15÷ 3= 12× 4= 50× 9= 4× 25= 99÷ 9= 75÷ 5= 205÷ 5= 46× 10= 8×6= 72+19= 180÷180= 48÷8 = 45+37= 550 500 25+75= 55+88= 69+24= 350 77+66 = 790+130= 87 800 99+11= 257- 257= 65+35= 64÷8= 92+46= 46÷7= 50÷6= 0 ÷ 8 = 39÷ 9= 93 86 1000- 300= 29+63= 54 75÷9 = 81÷9 = 800 86×0= 470 55÷7 = 38+52= 250+630= 77+33= 380+70= 500 95 0×9= 27÷9= 910- 320= 73 +37 = 0÷9= 680+220= 550+260= 25÷4= 57 8×9= 47÷8=126- 126= 42+42÷7= 64÷8+70= 500+320+80= 60+60+60= 8÷8×8= 30= (80÷ 20+80)÷4= 70+(100)=