［文字サイズの変更］
▼
▲
©2024 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)
a
÷
b
÷
c
×
(
−4
)
(2)
a
÷
b
÷
c
÷
(
−7
)
(3)
(
−3
)
×
a
÷
b
÷
c
(4)
a
÷
(
−6
)
×
b
÷
c
(5)
a
×
b
÷
(
−4
)
÷
c
÷
d
(6)
a
×
b
×
c
×
(
−7
)
(7)
7
÷
a
÷
b
×
c
÷
d
(8)
a
×
b
÷
c
÷
d
÷
6
(9)
a
×
b
÷
(
−6
)
×
c
(10)
a
÷
b
×
c
×
d
÷
9
(11)
(
−7
)
×
a
×
b
×
c
(12)
(
−7
)
÷
a
×
b
÷
c
÷
d
(13)
(
−9
)
×
a
×
b
×
c
(14)
(
−3
)
×
a
÷
b
×
c
÷
d
(15)
a
÷
(
−4
)
÷
b
÷
c
(16)
a
×
b
÷
c
÷
4
(17)
a
×
b
÷
4
(18)
a
×
8
÷
b
÷
c
×
d
(19)
a
×
(
−3
)
×
b
÷
c
×
d
(20)
a
×
b
×
c
÷
10
×
d
©2024 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
a
÷
b
÷
c
×
(
−4
)
4
a
=
−
b
c
(2)
a
÷
b
÷
c
÷
(
−7
)
a
=
−
7
b
c
(3)
(
−3
)
×
a
÷
b
÷
c
3
a
=
−
b
c
(4)
a
÷
(
−6
)
×
b
÷
c
a
b
=
−
6
c
(5)
a
×
b
÷
(
−4
)
÷
c
÷
d
a
b
=
−
4
c
d
(6)
a
×
b
×
c
×
(
−7
)
=
−7
a
b
c
(7)
7
÷
a
÷
b
×
c
÷
d
7
c
=
a
b
d
(8)
a
×
b
÷
c
÷
d
÷
6
a
b
=
6
c
d
(9)
a
×
b
÷
(
−6
)
×
c
a
b
c
=
−
6
(10)
a
÷
b
×
c
×
d
÷
9
a
c
d
=
9
b
(11)
(
−7
)
×
a
×
b
×
c
=
−7
a
b
c
(12)
(
−7
)
÷
a
×
b
÷
c
÷
d
7
b
=
−
a
c
d
(13)
(
−9
)
×
a
×
b
×
c
=
−9
a
b
c
(14)
(
−3
)
×
a
÷
b
×
c
÷
d
3
a
c
=
−
b
d
(15)
a
÷
(
−4
)
÷
b
÷
c
a
=
−
4
b
c
(16)
a
×
b
÷
c
÷
4
a
b
=
4
c
(17)
a
×
b
÷
4
a
b
=
4
(18)
a
×
8
÷
b
÷
c
×
d
8
a
d
=
b
c
(19)
a
×
(
−3
)
×
b
÷
c
×
d
3
a
b
d
=
−
c
(20)
a
×
b
×
c
÷
10
×
d
a
b
c
d
=
10