3/8与1/4的和除以1/2,商是多少?列出算式
问题描述：
3/8与1/4的和除以1/2,商是多少?
列出算式
答
3/8与1/4的和除以1/2
（3/8+1/4）/（1/2）=5/4
答
(3/8+1/4)/(1/2)=(3/8+2/8)*2=(5/8)*2=5/4
答
(3/8+1/4)÷(1/2)
=（3/8+2/8）×2
=（5/8）×2
=5/4
=1又1/4
答
(3/8+1/4) * 2 = 5/4
答案是5/4
答
(3/8+1/4)÷1/2
=5/8*2
=5/4