题目内容
计算(
-
)÷
.
解:(
-
)÷![]()
=[
-
]÷
························· 3分
=
·
································ 5分
=
.···································· 6分
练习册系列答案
相关题目
题目内容
计算(
-
)÷
.
解:(
-
)÷![]()
=[
-
]÷
························· 3分
=
·
································ 5分
=
.···································· 6分