［文字サイズの変更］
▼
▲
©2026 数学クラブ http://sugaku.club/
月 日（ ）
● 計算しなさい
[1N0-00]
(1)
2
3
×
(2)
2
×
2
(3)
5
2
×
(4)
2
×
3
(5)
5
2
×
(6)
5
7
×
(7)
2
5
×
(8)
7
7
×
(9)
7
7
×
(10)
5
×
3
(11)
2
7
×
(12)
2
×
3
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
2
3
×
2
×
3
=
6
=
(2)
2
×
2
2
=
2
(3)
5
2
×
5
=
2
(4)
2
×
3
2
=
3
(5)
5
2
×
5
×
2
=
10
=
(6)
5
7
×
5
×
7
=
35
=
(7)
2
5
×
2
×
5
=
10
=
(8)
7
7
×
7
×
7
=
7
(9)
7
7
×
7
×
7
=
7
(10)
5
×
3
5
=
3
(11)
2
7
×
2
×
7
=
14
=
(12)
2
×
3
2
=
3
(1)
6
(2)
2
2
(3)
5
2
(4)
2
3
(5)
10
(6)
35
(7)
10
(8)
7
(9)
7
(10)
5
3
(11)
14
(12)
2
3