六年级数学基本运算测试卷一、直接写得数。(每题1分,共20分)420×30=6.98+2.73=1860÷30=4200÷60=9.54-6.43=1250×8=1800÷60=2.5×40=0.09×0.6=1.07×0.5=0.36÷0.9=0.6×0.02=+0.2=0.25+=+=-=-=1-=24-24÷8=30+60÷3=二、化简下列各比。(每题2分,共16分)13:26:0.540.125:0.2515:210.12:0.4:0.2:50.75:0.1三、填空。(每空1,共10分)25%===:20=()(填小数)=()÷8=3:40.3:()=():8=0.3752÷5=10÷()=四、脱式计算。(每题3分,共18分)6+2-412×(+)1×56×7.32-+2.68---864÷[(27-23)×12]五、用简便方法计算。(每题3分,共18分)2.46×9.9+2.46×0.10.25×3.44×4+-(-)+++(1.25+0.7)×0.893×26+26+6×26六、解方程。(每题3分,共18分)18:=24=2-60%=0.5-5×=8--=6.25×4.4-0.5=17-3