1、五年级上册数学一课一练-3.1小数除法一、单选题1.6.86÷(0.28×3.5)=( )A. 0.1 B. 1.2 C. 0.5 D. 72.74.1除以3.8乘2.6的积,商是( )A. 5.7 B. 9.88
2、 C. 7.5 D. 19.53.2.5÷100与2.5x0.01的计算结果比较( )A. 商较大 B. 积较大 C. 一样大4.某数除以4余3,那么这个数的3倍除以4,余数是( )A. 3 B. 4
3、 C. 9 D. 1二、判断题5.判断对错6.判断对错.(1)7.26+1.85-2.26=7.26-2.26+1.85=5+1.85=6.85(2)0.96×2.3÷0.32=0.96÷0.32×2.3=3×2.3=6.97.判断对错.(1)7.8+2.2-7.8+2.2=10-10=0(2)0.25+0.75÷0.25+0.75=1÷1=1三、填空题8.直接写得数①0.8+0.8=________②0.8-0.8=________③0.8×0.8=________④0.8÷0.8=________