2019年二年级数学上册口算竞赛试题.doc

2019年二年级数学上册口算竞赛试题一、口算。（每题1分，计60分）86= 72 + 19 = 6 1 = 180180= 488 =45 + 37 = 47= 550550= 500370= 25 + 75 =55 +88 = 3200 700= 69+24= 35080 = 77 + 66 =790 + 130 = 8729= 800330 = 99+11= 257257=65 + 35 = 69 8 = 92 + 46 = 467 = 506=0 8 = 39 9 = 9339 = 8668= 1000300=29+63= 5445 = 7 7 = 75 9 = 819 =800260= 860= 47080 = 557 38 + 52 =250+630= 77 + 33 = 380+70= 500490= 667 =6 6 = 9568= 0 9 = 279= 910320=73 + 37 = 0 9 = 680+220= 550+260= 254=0 + 9 = 5738= 8 9 = 478= 126126=二、计算（每题1分，计24分）42+427= 648+70= 500+320+80= 60+60+60=888= 1300+7001000= 30306= 1655050=273+35+65= 120 + 395 + 80 = 909090= 40003500 + 500=1002377= 165+165165= 65（4025）= 2876=800+683600= 45+3645= 585= （27+36）7=650599+250= 58+9758= 989231+231= 53（48+5）=三、计算（每题2分，计16分）7809+98= 1+2+3+4+5+6+7+8+9=81999999= 15+15+15+15+15+15=8989898989= 64582 8=147+148+149+150+151+152+153= 1+2+3+4+5+6+94+95+96+97+98+99=小学教育资料好好学习，天天向上！第 2 页 共 2 页