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©2025 数学クラブ http://sugaku.club/
月 日（ ）
● 次の式を，文字式の表し方にしたがって書きましょう
[07C-00]
(1)
6
÷
a
÷
b
×
c
(2)
a
÷
b
÷
c
÷
(
−4
)
×
d
(3)
a
×
b
×
7
(4)
(
−3
)
×
a
×
b
×
c
÷
d
(5)
a
÷
b
×
c
×
d
÷
(
−10
)
(6)
a
÷
b
×
9
(7)
a
÷
b
÷
c
×
6
÷
d
(8)
a
×
b
×
5
(9)
a
×
5
÷
b
(10)
a
×
b
×
2
÷
c
(11)
2
×
a
×
b
×
c
(12)
a
÷
4
÷
b
×
c
(13)
a
×
10
÷
b
×
c
(14)
a
×
b
÷
c
÷
d
÷
(
−2
)
(15)
(
−8
)
÷
a
÷
b
(16)
a
÷
2
×
b
×
c
÷
d
(17)
4
×
a
÷
b
(18)
a
÷
(
−8
)
÷
b
÷
c
(19)
a
×
5
×
b
(20)
a
×
b
×
c
÷
d
×
(
−9
)
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
6
÷
a
÷
b
×
c
6
c
=
a
b
(2)
a
÷
b
÷
c
÷
(
−4
)
×
d
a
d
=
−
4
b
c
(3)
a
×
b
×
7
=
7
a
b
(4)
(
−3
)
×
a
×
b
×
c
÷
d
3
a
b
c
=
−
d
(5)
a
÷
b
×
c
×
d
÷
(
−10
)
a
c
d
=
−
10
b
(6)
a
÷
b
×
9
9
a
=
b
(7)
a
÷
b
÷
c
×
6
÷
d
6
a
=
b
c
d
(8)
a
×
b
×
5
=
5
a
b
(9)
a
×
5
÷
b
5
a
=
b
(10)
a
×
b
×
2
÷
c
2
a
b
=
c
(11)
2
×
a
×
b
×
c
=
2
a
b
c
(12)
a
÷
4
÷
b
×
c
a
c
=
4
b
(13)
a
×
10
÷
b
×
c
10
a
c
=
b
(14)
a
×
b
÷
c
÷
d
÷
(
−2
)
a
b
=
−
2
c
d
(15)
(
−8
)
÷
a
÷
b
8
=
−
a
b
(16)
a
÷
2
×
b
×
c
÷
d
a
b
c
=
2
d
(17)
4
×
a
÷
b
4
a
=
b
(18)
a
÷
(
−8
)
÷
b
÷
c
a
=
−
8
b
c
(19)
a
×
5
×
b
=
5
a
b
(20)
a
×
b
×
c
÷
d
×
(
−9
)
9
a
b
c
=
−
d