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©2026 数学クラブ http://sugaku.club/
月 日（ ）
● 次の方程式を解きなさい
[210-00]
(1)
2
−3
x
=
−27
(2)
2
−3
x
=
−147
(3)
2
−6
x
=
−4
(4)
2
2
x
=
4
(5)
2
−2
x
=
−162
(6)
2
3
x
=
48
(7)
2
−3
x
=
−108
(8)
2
3
x
=
108
(9)
2
5
x
=
180
(10)
2
−2
x
=
−1
(11)
2
−2
x
=
−200
(12)
2
−5
x
=
−320
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
2
−3
x
=
−27
2
x
=
9
x
=
±
3
(2)
2
−3
x
=
−147
2
x
=
49
x
=
±
7
(3)
2
−6
x
=
−4
2
x
2
=
3
x
6
=
±
3
(4)
2
2
x
=
4
2
x
=
2
x
2
=
±
(5)
2
−2
x
=
−162
2
x
=
81
x
=
±
9
(6)
2
3
x
=
48
2
x
=
16
x
=
±
4
(7)
2
−3
x
=
−108
2
x
=
36
x
=
±
6
(8)
2
3
x
=
108
2
x
=
36
x
=
±
6
(9)
2
5
x
=
180
2
x
=
36
x
=
±
6
(10)
2
−2
x
=
−1
2
x
1
=
2
x
2
=
±
2
(11)
2
−2
x
=
−200
2
x
=
100
x
=
±
10
(12)
2
−5
x
=
−320
2
x
=
64
x
=
±
8