［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
[076-00]
(1)
a
×
b
＋
c
×
10
(2)
a
×
b
＋
8
÷
c
(3)
a
×
b
＋
c
×
(
−4
)
×
d
(4)
8
×
a
×
b
＋
c
×
d
(5)
a
×
b
＋
c
÷
9
＋
d
(6)
a
÷
b
＋
c
×
2
＋
d
(7)
a
÷
b
＋
c
÷
d
−
3
(8)
a
÷
(
−10
)
＋
b
(9)
a
÷
b
＋
5
×
c
÷
d
(10)
6
×
a
＋
b
(11)
a
×
3
＋
b
÷
c
(12)
a
×
(
−9
)
÷
b
＋
c
(13)
(
−4
)
×
a
÷
b
−
c
(14)
a
×
9
×
b
(15)
(
−6
)
÷
a
＋
b
(16)
a
÷
b
＋
c
÷
(
−4
)
−
d
(17)
a
×
b
÷
(
−4
)
(18)
10
×
a
＋
b
×
c
(19)
a
÷
b
＋
c
×
(
−5
)
(20)
a
÷
b
−
c
×
2
©2024 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
a
×
b
＋
c
×
10
=
a
b
＋
10
c
(2)
a
×
b
＋
8
÷
c
8
=
a
b
＋
c
(3)
a
×
b
＋
c
×
(
−4
)
×
d
=
a
b
−
4
c
d
(4)
8
×
a
×
b
＋
c
×
d
=
8
a
b
＋
c
d
(5)
a
×
b
＋
c
÷
9
＋
d
c
=
a
b
＋
＋
d
9
(6)
a
÷
b
＋
c
×
2
＋
d
a
=
＋
2
c
＋
d
b
(7)
a
÷
b
＋
c
÷
d
−
3
a
c
=
＋
−
3
b
d
(8)
a
÷
(
−10
)
＋
b
a
=
−
＋
b
10
(9)
a
÷
b
＋
5
×
c
÷
d
a
5
c
=
＋
b
d
(10)
6
×
a
＋
b
=
6
a
＋
b
(11)
a
×
3
＋
b
÷
c
b
=
3
a
＋
c
(12)
a
×
(
−9
)
÷
b
＋
c
9
a
=
−
＋
c
b
(13)
(
−4
)
×
a
÷
b
−
c
4
a
=
−
−
c
b
(14)
a
×
9
×
b
=
9
a
b
(15)
(
−6
)
÷
a
＋
b
6
=
−
＋
b
a
(16)
a
÷
b
＋
c
÷
(
−4
)
−
d
a
c
=
−
−
d
b
4
(17)
a
×
b
÷
(
−4
)
a
b
=
−
4
(18)
10
×
a
＋
b
×
c
=
10
a
＋
b
c
(19)
a
÷
b
＋
c
×
(
−5
)
a
=
−
5
c
b
(20)
a
÷
b
−
c
×
2
a
=
−
2
c
b