[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)
567
(2)
243
(3)
75
(4)
243
(5)
32
(6)
243
(7)
125
(8)
200
(9)
245
(10)
112
(11)
320
(12)
567
©2024 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
567
2
9
×
7
7
=
=
9
(2)
243
2
9
×
3
3
=
=
9
(3)
75
2
5
×
3
3
=
=
5
(4)
243
2
9
×
3
3
=
=
9
(5)
32
2
4
×
2
2
=
=
4
(6)
243
2
9
×
3
3
=
=
9
(7)
125
2
5
×
5
5
=
=
5
(8)
200
2
10
×
2
2
=
=
10
(9)
245
2
7
×
5
5
=
=
7
(10)
112
2
4
×
7
7
=
=
4
(11)
320
2
8
×
5
5
=
=
8
(12)
567
2
9
×
7
7
=
=
9
(1)
7
9
(2)
3
9
(3)
3
5
(4)
3
9
(5)
2
4
(6)
3
9
(7)
5
5
(8)
2
10
(9)
5
7
(10)
7
4
(11)
5
8
(12)
7
9