[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)
5
−
6
(2)
2
−
8
(3)
2
3
(4)
7
6
×
(
−
)
(5)
2
10
(6)
5
6
(7)
5
3
(8)
7
7
(9)
3
7
(10)
7
7
×
(
−
)
(11)
2
8
(12)
5
4
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
5
−
6
2
6
×
5
=
−
180
=
−
(2)
2
−
8
2
2
8
1
32
=
−
=
−
(3)
2
3
2
2
3
2
9
=
=
(4)
7
6
×
(
−
)
2
6
×
7
=
−
252
=
−
(5)
2
10
2
10
×
2
=
200
=
(6)
5
6
2
6
×
5
=
180
=
(7)
5
3
2
3
×
5
=
45
=
(8)
7
7
2
7
×
7
=
343
=
(9)
3
7
2
7
×
3
=
147
=
(10)
7
7
×
(
−
)
2
7
×
7
=
−
343
=
−
(11)
2
8
2
8
×
2
=
128
=
(12)
5
4
2
4
×
5
=
80
=
(1)
180
−
(2)
1
32
−
(3)
2
9
(4)
252
−
(5)
200
(6)
180
(7)
45
(8)
343
(9)
147
(10)
343
−
(11)
128
(12)
80