［文字サイズの変更］
▼
▲
©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)
7
a
(2)
3
a
(3)
9
m
(4)
7
p
(5)
10
p
(6)
−9
a
(7)
−7
p
(8)
8
x
(9)
4
p
(10)
9
x
(11)
−9
a
(12)
−8
a
(13)
8
p
(14)
−3
m
(15)
8
m
(16)
7
p
(17)
−8
p
(18)
7
a
(19)
8
a
(20)
−5
m
(21)
−2
a
(22)
−2
a
(23)
−9
m
(24)
4
a
(25)
−4
a
(26)
−2
x
(27)
−8
c
(28)
−2
c
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
7
a
=
7
×
a
(2)
3
a
=
3
×
a
(3)
9
m
=
9
×
m
(4)
7
p
=
7
×
p
(5)
10
p
=
10
×
p
(6)
−9
a
=
(
−9
)
×
a
(7)
−7
p
=
(
−7
)
×
p
(8)
8
x
=
8
×
x
(9)
4
p
=
4
×
p
(10)
9
x
=
9
×
x
(11)
−9
a
=
(
−9
)
×
a
(12)
−8
a
=
(
−8
)
×
a
(13)
8
p
=
8
×
p
(14)
−3
m
=
(
−3
)
×
m
(15)
8
m
=
8
×
m
(16)
7
p
=
7
×
p
(17)
−8
p
=
(
−8
)
×
p
(18)
7
a
=
7
×
a
(19)
8
a
=
8
×
a
(20)
−5
m
=
(
−5
)
×
m
(21)
−2
a
=
(
−2
)
×
a
(22)
−2
a
=
(
−2
)
×
a
(23)
−9
m
=
(
−9
)
×
m
(24)
4
a
=
4
×
a
(25)
−4
a
=
(
−4
)
×
a
(26)
−2
x
=
(
−2
)
×
x
(27)
−8
c
=
(
−8
)
×
c
(28)
−2
c
=
(
−2
)
×
c