最新小學(xué)數(shù)學(xué)六年級(jí)下冊(cè)口算競(jìng)賽試卷(1)

1、精品文檔精品文檔六年級(jí)數(shù)學(xué)上學(xué)期口算競(jìng)賽題班級(jí)姓名對(duì)題數(shù)錯(cuò)題數(shù)計(jì)劃做題所需時(shí)間：20分鐘7+ -=、口算（每小題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，每題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、計(jì)算下面各題，能簡(jiǎn)算的要簡(jiǎn)算：（共12分，每題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、列綜合算式或方程解答：（共6分，每題2分）1、