1、四年级上册数学单元测试-10.小数除法一、单选题1.每套童装用布2.2米,30米布可做( )套童装?A. 13.6 B. 13 C. 142.6.5乘0.25的积加上3.26,求和是多少,正确列式是( )A. 6.5×0.25+3.26 B. 6.5×(0.25+3.26) C. 0.25×(6.5+3.26)
2、3.比较大小,在里应填的符号是( )4.72÷0.8○4.72×0.8A. > B. < C. = D. ≥4.3.7与2.3的和除0.2,商是多少?正确的列式是( )A. 3.7+2.3÷0.2 B. (3.7+2.3)÷0.2 C. 0.2÷(3.7+2.3
3、) D. 0.2÷3.7+2.3二、判断题5.判断对错.3.76×0.25+25.8=0.9776+25.8=26.77766.下面计算对吗?3.5+2.5×1.42=6×1.42=8.527.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=6.98.我来做判断.0.7×0.7÷0.7×0.7=1÷1=1三、填空题9.口算,直接写出得数.486﹣186=________ 250+250=________ 0.2