[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
3
(2)
5
3
(3)
5
8
(4)
5
−
10
(5)
5
2
(6)
5
−
5
(7)
3
10
(8)
5
3
(9)
7
2
(10)
5
3
×
(
−
)
(11)
2
2
(12)
3
7
×
(
−
)
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
3
3
2
3
×
3
=
27
=
(2)
5
3
2
3
×
5
=
45
=
(3)
5
8
2
8
×
5
=
320
=
(4)
5
−
10
5
2
10
1
20
=
−
=
−
(5)
5
2
2
2
×
5
=
20
=
(6)
5
−
5
2
5
×
5
=
−
125
=
−
(7)
3
10
2
10
×
3
=
300
=
(8)
5
3
2
3
×
5
=
45
=
(9)
7
2
2
2
×
7
=
28
=
(10)
5
3
×
(
−
)
2
3
×
5
=
−
45
=
−
(11)
2
2
2
2
×
2
=
8
=
(12)
3
7
×
(
−
)
2
7
×
3
=
−
147
=
−
(1)
27
(2)
45
(3)
320
(4)
1
20
−
(5)
20
(6)
125
−
(7)
300
(8)
45
(9)
28
(10)
45
−
(11)
8
(12)
147
−