北师大版：分数乘除法相关复习题（五年级数学下册）计算(一)分数乘除法一、 口算12×2/3 = 8/9÷12= 18÷9/20 = 9/11×3=3/20×4/9 = 4/15×15/16 = 5/6 ÷10= 7×5/14 =9/40 ×2/3 = 12÷1/5 = 3/5 ÷3= 27÷ 9/20=1/5÷1/3 = 6÷ 3/5 = 6/11 ÷2= 3/4 ÷ 4/3 =二、 计算，能...

时间:2025-04-25 09:51栏目:行业资料