［文字サイズの変更］
▼
▲
©2024 数学クラブ http://sugaku.club/
月 日（ ）
● 次の解が 解として適当な方程式を選びなさい
[0D0-00]
(1)
x
=
10
(A)
9
x
=
90
(B)
5
x
=
5
(C)
x
−
4
=
1
(2)
x
=
−2
(A)
2
x
＋
5
=
1
(B)
x
−
2
=
−4
(C)
8
x
−
2
=
46
(3)
x
=
−4
(A)
x
−
2
=
−9
(B)
x
−
7
=
−11
(C)
3
x
=
−9
(4)
x
=
−2
(A)
x
＋
2
=
0
(B)
x
＋
6
=
9
(C)
3
x
−
5
=
−11
(5)
x
=
−6
(A)
−
x
=
6
(B)
2
x
−
1
=
9
(C)
x
＋
9
=
3
(6)
x
=
6
(A)
−8
x
−
6
=
−54
(B)
−6
x
−
10
=
−64
(C)
x
−
3
=
−9
(7)
x
=
−7
(A)
−2
x
＋
8
=
18
(B)
x
＋
9
=
2
(C)
x
−
7
=
−12
(1)
(A)
(2)
(A)
(B)
(3)
(B)
(4)
(A)
(C)
(5)
(A)
(C)
(6)
(A)
(7)
(B)