3⼀8+4.75+15⼀8简便计算

3/8+4.75+15/8简便计算
2025-03-31 22:45:15
推荐回答(2个)
回答1:

解: 3/8+4.75+15/8
= 3/8+4又3/4+15/8
=(3/8+15/8)+4又3/4
=9/4+19/4
=28/4
=7

回答2:

3/8+4.75+15/8
=(3/8+15/8)+4+3/4
=18/8+3/4+4
=9/4+3/4+4
=12/4+4
=3+4
=7