[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
−
3
(2)
3
3
(3)
3
10
(4)
7
−
8
(5)
7
6
(6)
2
10
×
(
−
)
(7)
7
10
(8)
7
−
6
(9)
7
7
(10)
3
8
(11)
7
6
(12)
7
8
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
5
−
3
5
2
3
5
9
=
−
=
−
(2)
3
3
3
2
3
1
3
=
=
(3)
3
10
3
2
10
3
100
=
=
(4)
7
−
8
2
8
×
7
=
−
448
=
−
(5)
7
6
7
2
6
7
36
=
=
(6)
2
10
×
(
−
)
2
10
×
2
=
−
200
=
−
(7)
7
10
2
10
×
7
=
700
=
(8)
7
−
6
7
2
6
7
36
=
−
=
−
(9)
7
7
2
7
×
7
=
343
=
(10)
3
8
2
8
×
3
=
192
=
(11)
7
6
2
6
×
7
=
252
=
(12)
7
8
2
8
×
7
=
448
=
(1)
5
9
−
(2)
1
3
(3)
3
100
(4)
448
−
(5)
7
36
(6)
200
−
(7)
700
(8)
7
36
−
(9)
343
(10)
192
(11)
252
(12)
448