2019年三年级上册数学口算竞赛试卷.doc

2019年三年级上册数学口算竞赛试卷30 2 = 52 7 = 80 6= 100 4 =400 8 = 900 5 = 40 6 = 10 9 = 3 8 = 10 5 = 7 200 = 800 6= 80 4 = 240 6 = 360 9 = 108 7 = 810 9 = 67 + 8 = 82 + 7 = 104 3 = 0 105= 23 3 = 64 2 = 24008= 333=3400= 8402= 123= 4005= 54009= 180+170= 500-192= 5403= 560+80= (25-7)0= 08= 217 = 80-90= 6606= 88848+73= 6408= 710-30= 54006= 807= 888173 164 2006 1452004= 1803= 3208= 09= 308=503= 3606= 86+7= 804= 6303=242= 1206= 6004= 2102= 484=90-8= 4005= 313= 9007= 2009=332= 6006= xx3= 8007= 1233=363= 884= 330= 4505= 7007=86= 427= 183= 243= 503=328= 56= 544= 950= 16+72=819= 103= 488= 207= 324+13=94= 6500= 3004= 9002= (5+25)4=376= 453= 642= 234= 193= 362= 473= 482= 152= 394=30060= 906= 728= 9107= 75-28=60+180= 420-80= 684= 280+60= 28+25=36040= 54060= 303= 270+50= 147=62+18= 156= 42070= 955= 750-300=165= 92-48= 2140= 72080= 6513=174= 6817= 7014= 9015= 8016=72-24= 90018= 75025= 8421= 2040=