［文字サイズの変更］
▼
▲
©2018 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
[070-00]
(1)
c
×
9
(2)
(
−2
)
×
c
(3)
p
×
3
(4)
(
−7
)
×
m
(5)
m
×
(
−3
)
(6)
m
×
8
(7)
9
×
x
(8)
m
×
7
(9)
6
×
m
(10)
a
×
2
(11)
p
×
(
−8
)
(12)
c
×
8
(13)
3
×
a
(14)
a
×
6
(15)
c
×
(
−5
)
(16)
4
×
p
(17)
(
−3
)
×
m
(18)
a
×
(
−6
)
(19)
7
×
a
(20)
(
−3
)
×
p
(21)
a
×
(
−8
)
(22)
x
×
(
−4
)
(23)
c
×
2
(24)
x
×
(
−3
)
(25)
c
×
4
(26)
4
×
a
(27)
7
×
c
(28)
x
×
5
©2018 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
c
×
9
=
9
c
(2)
(
−2
)
×
c
=
−2
c
(3)
p
×
3
=
3
p
(4)
(
−7
)
×
m
=
−7
m
(5)
m
×
(
−3
)
=
−3
m
(6)
m
×
8
=
8
m
(7)
9
×
x
=
9
x
(8)
m
×
7
=
7
m
(9)
6
×
m
=
6
m
(10)
a
×
2
=
2
a
(11)
p
×
(
−8
)
=
−8
p
(12)
c
×
8
=
8
c
(13)
3
×
a
=
3
a
(14)
a
×
6
=
6
a
(15)
c
×
(
−5
)
=
−5
c
(16)
4
×
p
=
4
p
(17)
(
−3
)
×
m
=
−3
m
(18)
a
×
(
−6
)
=
−6
a
(19)
7
×
a
=
7
a
(20)
(
−3
)
×
p
=
−3
p
(21)
a
×
(
−8
)
=
−8
a
(22)
x
×
(
−4
)
=
−4
x
(23)
c
×
2
=
2
c
(24)
x
×
(
−3
)
=
−3
x
(25)
c
×
4
=
4
c
(26)
4
×
a
=
4
a
(27)
7
×
c
=
7
c
(28)
x
×
5
=
5
x