［文字サイズの変更］
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©2026 数学クラブ http://sugaku.club/
月 日（ ）
● 次の式を，記号×を使って書きましょう
[071-00]
(1)
10
a
(2)
4
x
(3)
−2
a
(4)
5
m
(5)
−10
c
(6)
−6
x
(7)
2
p
(8)
−6
c
(9)
4
p
(10)
−6
x
(11)
−2
x
(12)
3
m
(13)
−4
p
(14)
−7
c
(15)
7
c
(16)
3
p
(17)
6
c
(18)
−2
a
(19)
5
p
(20)
2
a
(21)
6
p
(22)
−4
p
(23)
−4
x
(24)
10
a
(25)
10
c
(26)
10
a
(27)
−9
a
(28)
8
m
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
10
a
=
10
×
a
(2)
4
x
=
4
×
x
(3)
−2
a
=
(
−2
)
×
a
(4)
5
m
=
5
×
m
(5)
−10
c
=
(
−10
)
×
c
(6)
−6
x
=
(
−6
)
×
x
(7)
2
p
=
2
×
p
(8)
−6
c
=
(
−6
)
×
c
(9)
4
p
=
4
×
p
(10)
−6
x
=
(
−6
)
×
x
(11)
−2
x
=
(
−2
)
×
x
(12)
3
m
=
3
×
m
(13)
−4
p
=
(
−4
)
×
p
(14)
−7
c
=
(
−7
)
×
c
(15)
7
c
=
7
×
c
(16)
3
p
=
3
×
p
(17)
6
c
=
6
×
c
(18)
−2
a
=
(
−2
)
×
a
(19)
5
p
=
5
×
p
(20)
2
a
=
2
×
a
(21)
6
p
=
6
×
p
(22)
−4
p
=
(
−4
)
×
p
(23)
−4
x
=
(
−4
)
×
x
(24)
10
a
=
10
×
a
(25)
10
c
=
10
×
c
(26)
10
a
=
10
×
a
(27)
−9
a
=
(
−9
)
×
a
(28)
8
m
=
8
×
m