化简比:4/5:2/3=4/5:2/3=1又1/5()判断题
问题描述:
化简比:4/5:2/3=4/5:2/3=1又1/5()判断题
答
4/5:2/3
=(4/5)/(2/3)
=(4/5)*(3/2)
=6/5
=1+1/5
=1又1/5
所以正确