5-1⼀4通分计算(有通分过程)?

2024-11-18 02:47:13
推荐回答(3个)
回答(1):

5-1/4
=4又4/4-1/4
=4又3/4

回答(2):

回答(3):

5-1/4
=5*4/4-1/4
=(5*4-1)/4
=(20-1)/4
=19/4