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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
=
−32
(2)
2
2
x
=
72
(3)
2
5
x
=
45
(4)
2
−3
x
=
−48
(5)
2
−2
x
=
−128
(6)
2
3
x
=
4
(7)
2
−3
x
=
−147
(8)
2
5
x
=
2
(9)
2
−
x
=
−8
(10)
2
−5
x
=
−320
(11)
2
−3
x
=
−147
(12)
2
−5
x
=
−2
©2024 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
2
−2
x
=
−32
2
x
=
16
x
=
±
4
(2)
2
2
x
=
72
2
x
=
36
x
=
±
6
(3)
2
5
x
=
45
2
x
=
9
x
=
±
3
(4)
2
−3
x
=
−48
2
x
=
16
x
=
±
4
(5)
2
−2
x
=
−128
2
x
=
64
x
=
±
8
(6)
2
3
x
=
4
2
x
4
=
3
x
2
3
=
±
3
(7)
2
−3
x
=
−147
2
x
=
49
x
=
±
7
(8)
2
5
x
=
2
2
x
2
=
5
x
10
=
±
5
(9)
2
−
x
=
−8
2
x
=
8
x
2
=
±
2
(10)
2
−5
x
=
−320
2
x
=
64
x
=
±
8
(11)
2
−3
x
=
−147
2
x
=
49
x
=
±
7
(12)
2
−5
x
=
−2
2
x
2
=
5
x
10
=
±
5