最新小学数学六年级下册口算竞赛试卷(1)

1、精品文档精品文档六年级数学上学期口算竞赛题班级姓名对题数错题数计划做题所需时间：20分钟7+ -=、口算（每小题0.5分）-0.25=42-+0.6=55 + 1 =721+0.25=40.32=12.5X 8=1535_5 - 6-X -=0.23 _1188653 _ 1 _11 _5 v 3 X -=43386106 +2 =1 + 1 =-X - +- X 1 =73469 962 X (1+1 )=2二-X 0.375 =4 _ 6 _32957工+4= X9 =-+ =1635101+ 4=1-=3+20% =123314 _一.70% + 5% =2+ 1 ， + =215353

2、5-5-5=-5x8 =5+1 =1224545+ 1 =136 X23 =0.8 X 4=4682X3=0.75=20% + 5% =3510 . 5=2-=3.7X0.1% =96117 + 4 =15x21 7251720520 1.8=2.1 -2.09 =0.451+3 =(4 43_ 3 _ 57208.3-3.3 =3+3 =287812.8 3 =241.25 X0.8 =0.44 x 3. 入522100+ 2 =3910.3 -53+ 3 + 15=5+ 0.37 =4%x 8=1 _-1)x52 . 1 _=一一453342X 2 =“=378 430.4 =-X60=5

3、1514 39y4y =+ 1治2=10X10=10+ 1 =8.11=5411.1*J A - -1 _3333331117X60=3.6+ 36 =15ji =1025X4=X11 =2298 x =985 Ji0.28b + 0.52b2-24二一5 . . 一336 _ 2 _.1133乂 13=267 +0.1 =815 .1615=32:16 =0.125:0.3=0X 5 =14X5 =6157328635712932 一 123=0.21 -1039 Ji =1258X 0.008 =16+ -+ -=0.23+177%=4.9+ 0.07=61467. 2 + 4 =102_

4、2952+ (1 +-57.5+2.5 =4459 +59 =858871. ,= *49+ _9_ =05 . ,50.625- =13265+5 =5-63 _13+ - L65x7 =798X旦=61.25912X 8=683 + 3 =741 10.87912 、/ 29X=58361+ -=0.37525%X -=3X 3 =3 58.4 +4.2=85X12.5%=343 4 _1+8+3=0.1X30%=4264 3X =99831-=0.1251+1 X 64%=49%13+ 37喉51014 v 15 _人=888.22 十一=452132+4 =0.3675329 X0X 29 =48423 _73738)=3 3 4= 0.125 X0.8=108+5%=4 4 3二、解方程：（共8分，每题2分）1 x 33八48 4c，c，9X40%x =36(1+40%)x =1x ： 1=0.126(215+ X)x 0.4 =300X12三、计算下面各题，能简算的要简算：（共12分，每题2分）7 X0.875 + 2 + 899718 X(32)0.259X1.25 X320(93 X 5 -7.3) + 9 0.7564X24+ 77X 75%- - (2 - )- X 641057四、列综合算式或方程解答：（共6分，每题2分）1、