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©2024 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
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(1)
4
c
(2)
3
2
(3)
3
(
−3
)
(4)
3
x
(5)
5
6
(6)
4
m
(7)
3
(
9
+
m
)
(8)
4
(
−3
)
(9)
5
a
(10)
2
(
−
c
)
©2024 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
4
c
=
c
×
c
×
c
×
c
(2)
3
2
=
2
×
2
×
2
(3)
3
(
−3
)
=
(
−3
)
×
(
−3
)
×
(
−3
)
(4)
3
x
=
x
×
x
×
x
(5)
5
6
=
6
×
6
×
6
×
6
×
6
(6)
4
m
=
m
×
m
×
m
×
m
(7)
3
(
9
+
m
)
=
(
9
+
m
)
×
(
9
+
m
)
×
(
9
+
m
)
(8)
4
(
−3
)
=
(
−3
)
×
(
−3
)
×
(
−3
)
×
(
−3
)
(9)
5
a
=
a
×
a
×
a
×
a
×
a
(10)
2
(
−
c
)
=
(
−
c
)
×
(
−
c
)