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©2025 数学クラブ http://sugaku.club/
月 日（ ）
● 計算しなさい
[1N0-00]
(1)
2
×
5
(2)
2
7
×
(3)
3
5
×
(4)
7
3
×
(5)
2
5
×
(6)
5
×
2
(7)
2
7
×
(8)
5
3
×
(9)
7
5
×
(10)
2
2
×
(11)
5
3
×
(12)
3
2
×
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
2
×
5
2
=
5
(2)
2
7
×
2
×
7
=
14
=
(3)
3
5
×
3
×
5
=
15
=
(4)
7
3
×
7
×
3
=
21
=
(5)
2
5
×
2
×
5
=
10
=
(6)
5
×
2
5
=
2
(7)
2
7
×
2
×
7
=
14
=
(8)
5
3
×
5
×
3
=
15
=
(9)
7
5
×
7
×
5
=
35
=
(10)
2
2
×
2
×
2
=
2
(11)
5
3
×
5
×
3
=
15
=
(12)
3
2
×
3
×
2
=
6
=
(1)
2
5
(2)
14
(3)
15
(4)
21
(5)
10
(6)
5
2
(7)
14
(8)
15
(9)
35
(10)
2
(11)
15
(12)
6