1、五年级上册数学一课一练-6.1小数的四则混合运算一、单选题1. 1.2+5.6÷7=( )A. 2 B. 1 C. 6 D. 102.4.6乘1.5的积,减去3.8除以2.5的商,差是( )A. 6.9 B. 1.52
2、 C. 5.83 D. 5.383.16.25÷6.5+3.16=( )A. 0.5 B. 56.6 C. 5.66 D. 5664.0.1除1的商加上7的1.4倍,和是( )A. 10 B. 19
3、.8 C. 20 D. 23二、判断题5.下面计算对吗?1.6×0.8×0.5=0.8×0.8=0.646.0.25×0.4÷0.25×0.4的结果是1. …7.2.4+7.6×0.15=10×0.15=1.5三、填空题8. 10.92÷[30.24÷(15.6-8.4)]=________9.口算.2.6+3.7=________2-1.42=________3.2×4=________1.2×0.8=________4.8÷1.