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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)
125
(2)
162
(3)
8
(4)
63
(5)
700
(6)
300
(7)
343
(8)
343
(9)
63
(10)
243
(11)
98
(12)
448
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
125
2
5
×
5
5
=
=
5
(2)
162
2
9
×
2
2
=
=
9
(3)
8
2
2
×
2
2
=
=
2
(4)
63
2
3
×
7
7
=
=
3
(5)
700
2
10
×
7
7
=
=
10
(6)
300
2
10
×
3
3
=
=
10
(7)
343
2
7
×
7
7
=
=
7
(8)
343
2
7
×
7
7
=
=
7
(9)
63
2
3
×
7
7
=
=
3
(10)
243
2
9
×
3
3
=
=
9
(11)
98
2
7
×
2
2
=
=
7
(12)
448
2
8
×
7
7
=
=
8
(1)
5
5
(2)
2
9
(3)
2
2
(4)
7
3
(5)
7
10
(6)
3
10
(7)
7
7
(8)
7
7
(9)
7
3
(10)
3
9
(11)
2
7
(12)
7
8