[文字サイズの変更]
▼
▲
©2026 数学クラブ http://sugaku.club/
月 日( )
● √
a
の形に変形しなさい
[1N2-00]
(1)
3
5
(2)
3
7
(3)
7
6
(4)
2
7
(5)
3
8
(6)
5
−
8
(7)
3
5
(8)
2
−
2
(9)
3
4
(10)
5
2
(11)
2
7
(12)
7
2
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
3
5
2
5
×
3
=
75
=
(2)
3
7
2
7
×
3
=
147
=
(3)
7
6
2
6
×
7
=
252
=
(4)
2
7
2
7
×
2
=
98
=
(5)
3
8
2
8
×
3
=
192
=
(6)
5
−
8
2
8
×
5
=
−
320
=
−
(7)
3
5
2
5
×
3
=
75
=
(8)
2
−
2
2
2
×
2
=
−
8
=
−
(9)
3
4
2
4
×
3
=
48
=
(10)
5
2
2
2
×
5
=
20
=
(11)
2
7
2
7
×
2
=
98
=
(12)
7
2
2
2
×
7
=
28
=
(1)
75
(2)
147
(3)
252
(4)
98
(5)
192
(6)
320
−
(7)
75
(8)
8
−
(9)
48
(10)
20
(11)
98
(12)
28