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▼
▲
©2025 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)
27
(2)
180
(3)
252
(4)
32
(5)
112
(6)
128
(7)
175
(8)
192
(9)
147
(10)
27
(11)
8
(12)
500
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
27
2
3
×
3
3
=
=
3
(2)
180
2
6
×
5
5
=
=
6
(3)
252
2
6
×
7
7
=
=
6
(4)
32
2
4
×
2
2
=
=
4
(5)
112
2
4
×
7
7
=
=
4
(6)
128
2
8
×
2
2
=
=
8
(7)
175
2
5
×
7
7
=
=
5
(8)
192
2
8
×
3
3
=
=
8
(9)
147
2
7
×
3
3
=
=
7
(10)
27
2
3
×
3
3
=
=
3
(11)
8
2
2
×
2
2
=
=
2
(12)
500
2
10
×
5
5
=
=
10
(1)
3
3
(2)
5
6
(3)
7
6
(4)
2
4
(5)
7
4
(6)
2
8
(7)
7
5
(8)
3
8
(9)
3
7
(10)
3
3
(11)
2
2
(12)
5
10