五年级上册数学小数乘除法专项训练

五年级上册数学小数乘除法专项训练

  • 简介

    一、口算 0.5×2=1 1.5÷3=0.5 2.4÷4=0.6 0.4×2=0.8 0.3×4=1.2 2.4÷4=0.6 3.5÷7=0.5 0.2×5=1 1.2×3=3.6 3.6÷6=0.6 4.2÷6=0.7 1.1×4=4.4 0.8×5=4 4.8÷8=0.6 6.3÷9=0.7 0.7×3=2.1 三、简便计算 0.25×4.8 =0.25×4×1.2 =1×1.2 =1.2 1.25×3.2 =1.25×0.8×4 =1×4 =4 4.8÷0.25÷4 =4.8÷(0.25×4) =4.8÷1 =4.8 5.6÷0.8÷0.7 =5.6÷(0.8×0.7) =5.6÷0.56 =10

五年级上册数学小数乘除法专项训练