［文字サイズの変更］
▼
▲
©2019 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
×
(
−5
)
(2)
5
×
a
(3)
3
×
a
(4)
(
−8
)
×
a
(5)
x
×
(
−4
)
(6)
(
−2
)
×
a
(7)
2
×
p
(8)
m
×
6
(9)
x
×
7
(10)
c
×
(
−6
)
(11)
6
×
m
(12)
(
−4
)
×
x
(13)
m
×
(
−8
)
(14)
(
−9
)
×
m
(15)
(
−7
)
×
p
(16)
p
×
8
(17)
m
×
10
(18)
a
×
(
−3
)
(19)
a
×
(
−4
)
(20)
c
×
7
(21)
4
×
x
(22)
2
×
x
(23)
m
×
(
−8
)
(24)
x
×
2
(25)
3
×
a
(26)
a
×
3
(27)
c
×
(
−8
)
(28)
x
×
(
−10
)
©2019 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
c
×
(
−5
)
=
−5
c
(2)
5
×
a
=
5
a
(3)
3
×
a
=
3
a
(4)
(
−8
)
×
a
=
−8
a
(5)
x
×
(
−4
)
=
−4
x
(6)
(
−2
)
×
a
=
−2
a
(7)
2
×
p
=
2
p
(8)
m
×
6
=
6
m
(9)
x
×
7
=
7
x
(10)
c
×
(
−6
)
=
−6
c
(11)
6
×
m
=
6
m
(12)
(
−4
)
×
x
=
−4
x
(13)
m
×
(
−8
)
=
−8
m
(14)
(
−9
)
×
m
=
−9
m
(15)
(
−7
)
×
p
=
−7
p
(16)
p
×
8
=
8
p
(17)
m
×
10
=
10
m
(18)
a
×
(
−3
)
=
−3
a
(19)
a
×
(
−4
)
=
−4
a
(20)
c
×
7
=
7
c
(21)
4
×
x
=
4
x
(22)
2
×
x
=
2
x
(23)
m
×
(
−8
)
=
−8
m
(24)
x
×
2
=
2
x
(25)
3
×
a
=
3
a
(26)
a
×
3
=
3
a
(27)
c
×
(
−8
)
=
−8
c
(28)
x
×
(
−10
)
=
−10
x