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©2024 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
2
x
=
8
(2)
2
−6
x
=
−6
(3)
2
2
x
=
32
(4)
2
−5
x
=
−20
(5)
2
2
x
=
8
(6)
2
−3
x
=
−243
(7)
2
2
x
=
162
(8)
2
2
x
=
2
(9)
2
−3
x
=
−6
(10)
2
2
x
=
72
(11)
2
10
x
=
4
(12)
2
−3
x
=
−75
©2024 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
2
2
x
=
8
2
x
=
4
x
=
±
2
(2)
2
−6
x
=
−6
2
x
=
1
x
=
±
1
(3)
2
2
x
=
32
2
x
=
16
x
=
±
4
(4)
2
−5
x
=
−20
2
x
=
4
x
=
±
2
(5)
2
2
x
=
8
2
x
=
4
x
=
±
2
(6)
2
−3
x
=
−243
2
x
=
81
x
=
±
9
(7)
2
2
x
=
162
2
x
=
81
x
=
±
9
(8)
2
2
x
=
2
2
x
=
1
x
=
±
1
(9)
2
−3
x
=
−6
2
x
=
2
x
2
=
±
(10)
2
2
x
=
72
2
x
=
36
x
=
±
6
(11)
2
10
x
=
4
2
x
2
=
5
x
10
=
±
5
(12)
2
−3
x
=
−75
2
x
=
25
x
=
±
5