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©2018 数学クラブ http://sugaku.club/
月 日（ ）
● 計算しなさい
[1N0-00]
(1)
5
2
×
(2)
5
3
×
(3)
5
5
×
(4)
2
7
×
(5)
3
2
×
(6)
5
2
×
(7)
3
×
2
(8)
7
2
×
(9)
5
×
3
(10)
2
5
×
(11)
5
7
×
(12)
5
7
×
©2018 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
5
2
×
5
×
2
=
10
=
(2)
5
3
×
5
×
3
=
15
=
(3)
5
5
×
5
×
5
=
5
(4)
2
7
×
2
×
7
=
14
=
(5)
3
2
×
3
=
2
(6)
5
2
×
5
×
2
=
10
=
(7)
3
×
2
3
=
2
(8)
7
2
×
7
×
2
=
14
=
(9)
5
×
3
5
=
3
(10)
2
5
×
2
×
5
=
10
=
(11)
5
7
×
5
=
7
(12)
5
7
×
5
×
7
=
35
=
(1)
10
(2)
15
(3)
5
(4)
14
(5)
3
2
(6)
10
(7)
3
2
(8)
14
(9)
5
3
(10)
10
(11)
5
7
(12)
35