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©2025 数学クラブ http://sugaku.club/
月 日（ ）
● 計算しなさい
[1N0-00]
(1)
5
×
5
(2)
2
×
3
(3)
7
×
2
(4)
7
2
×
(5)
3
2
×
(6)
3
5
×
(7)
2
5
×
(8)
3
7
×
(9)
7
7
×
(10)
7
7
×
(11)
5
5
×
(12)
3
×
5
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
5
×
5
5
=
5
(2)
2
×
3
2
=
3
(3)
7
×
2
7
=
2
(4)
7
2
×
7
×
2
=
14
=
(5)
3
2
×
3
×
2
=
6
=
(6)
3
5
×
3
=
5
(7)
2
5
×
2
=
5
(8)
3
7
×
3
×
7
=
21
=
(9)
7
7
×
7
×
7
=
7
(10)
7
7
×
7
×
7
=
7
(11)
5
5
×
5
×
5
=
5
(12)
3
×
5
3
=
5
(1)
5
5
(2)
2
3
(3)
7
2
(4)
14
(5)
6
(6)
3
5
(7)
2
5
(8)
21
(9)
7
(10)
7
(11)
5
(12)
3
5