如果8
a
3
-1.5÷[1
b
5
×(□+1
c
7
)]=8
1
3
,那么□里應(yīng)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)

故答案為:
315-2(a-1)(5+b)(7+c)
14(a-1)(5+b)
練習(xí)冊系列答案
相關(guān)習(xí)題

科目:小學(xué)數(shù)學(xué) 來源: 題型:

(2001?漢陽區(qū))如果8
a
3
-1.5÷[1
b
5
×(□+1
c
7
)]=8
1
3
,那么□里應(yīng)填
315-2(a-1)(5+b)(7+c)
14(a-1)(5+b)
315-2(a-1)(5+b)(7+c)
14(a-1)(5+b)

查看答案和解析>>

科目:小學(xué)數(shù)學(xué) 來源:武漢 題型:填空題

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

查看答案和解析>>

同步練習(xí)冊答案