题目内容

如果8
a
3
-1.5÷[1
b
5
×(□+1
c
7
)]=8
1
3
,那么□里应填______.

       8
a
3
-1.5÷[1
b
5
×(□+1
c
7
)]=8
1
3

24+a
3
-
3
2
÷[
5+b
5
×(□+
7+c
7
)]=
25
3

              
3
2
÷(
24+a
3
-
25
3
)=
5+b
5
×(□+
7+c
7
),
             (
3
2
÷
a-1
3
)÷
5+b
5
=□+
7+c
7

□=
45
2(a-1)(5+b)
-
7+c
7


□=
315-2(a-1)(5+b)(7+c)
14(a-1)(5+b)

故答案为:
315-2(a-1)(5+b)(7+c)
14(a-1)(5+b)
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网