［文字サイズの変更］
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©2025 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)
8
c
(2)
10
x
(3)
−10
a
(4)
−2
x
(5)
−2
c
(6)
7
a
(7)
8
p
(8)
−10
a
(9)
2
c
(10)
7
c
(11)
−3
p
(12)
9
x
(13)
−8
x
(14)
−4
m
(15)
−6
p
(16)
8
c
(17)
−8
m
(18)
−4
c
(19)
−6
a
(20)
−2
p
(21)
2
p
(22)
4
p
(23)
3
p
(24)
−8
a
(25)
3
p
(26)
8
p
(27)
2
x
(28)
9
p
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
8
c
=
8
×
c
(2)
10
x
=
10
×
x
(3)
−10
a
=
(
−10
)
×
a
(4)
−2
x
=
(
−2
)
×
x
(5)
−2
c
=
(
−2
)
×
c
(6)
7
a
=
7
×
a
(7)
8
p
=
8
×
p
(8)
−10
a
=
(
−10
)
×
a
(9)
2
c
=
2
×
c
(10)
7
c
=
7
×
c
(11)
−3
p
=
(
−3
)
×
p
(12)
9
x
=
9
×
x
(13)
−8
x
=
(
−8
)
×
x
(14)
−4
m
=
(
−4
)
×
m
(15)
−6
p
=
(
−6
)
×
p
(16)
8
c
=
8
×
c
(17)
−8
m
=
(
−8
)
×
m
(18)
−4
c
=
(
−4
)
×
c
(19)
−6
a
=
(
−6
)
×
a
(20)
−2
p
=
(
−2
)
×
p
(21)
2
p
=
2
×
p
(22)
4
p
=
4
×
p
(23)
3
p
=
3
×
p
(24)
−8
a
=
(
−8
)
×
a
(25)
3
p
=
3
×
p
(26)
8
p
=
8
×
p
(27)
2
x
=
2
×
x
(28)
9
p
=
9
×
p