1、五年级上册数学一课一练-5.22菜市场里的采购一、单选题1.(5.2-5.2)÷0.8=( )A. 10.2 B. 5.4 C. 1.74 D. 02.10.5÷(5.2-4.5)×3.6=( )A. 10.2 B. 54
2、 C. 10.89 D. 9.43.8.73×2.5+11.27×2.5=( )A. 5 B. 16.08 C. 50 D. 28004.3.2-3.2÷5+5.74=( )A. 6.5
3、 B. 8.3 C. 1.875 D. 1.86二、判断题5.判断对错.0.5×0.4÷0.5×0.4=(0.5×0.4)÷(0.5×0.4)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=6.97.5.87×6.9+3.1=5.87×(6.9+3.1)这