[文字サイズの変更]
▼
▲
©2024 数学クラブ http://sugaku.club/
月 日( )
● √
の中をできるだけ簡単な数にしなさい
[1N3-00]
(1)
180
(2)
180
(3)
300
(4)
147
(5)
20
(6)
252
(7)
108
(8)
50
(9)
45
(10)
63
(11)
125
(12)
72
©2024 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
180
2
6
×
5
5
=
=
6
(2)
180
2
6
×
5
5
=
=
6
(3)
300
2
10
×
3
3
=
=
10
(4)
147
2
7
×
3
3
=
=
7
(5)
20
2
2
×
5
5
=
=
2
(6)
252
2
6
×
7
7
=
=
6
(7)
108
2
6
×
3
3
=
=
6
(8)
50
2
5
×
2
2
=
=
5
(9)
45
2
3
×
5
5
=
=
3
(10)
63
2
3
×
7
7
=
=
3
(11)
125
2
5
×
5
5
=
=
5
(12)
72
2
6
×
2
2
=
=
6
(1)
5
6
(2)
5
6
(3)
3
10
(4)
3
7
(5)
5
2
(6)
7
6
(7)
3
6
(8)
2
5
(9)
5
3
(10)
7
3
(11)
5
5
(12)
2
6