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©2018 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
6
x
=
10
(2)
2
−2
x
=
−32
(3)
2
−5
x
=
−180
(4)
2
2
x
=
18
(5)
2
6
x
=
1
(6)
2
x
=
1
(7)
2
5
x
=
2
(8)
2
3
x
=
75
(9)
2
9
x
=
3
(10)
2
−3
x
=
−300
(11)
2
−3
x
=
−192
(12)
2
3
x
=
12
©2018 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
2
6
x
=
10
2
x
5
=
3
x
15
=
±
3
(2)
2
−2
x
=
−32
2
x
=
16
x
=
±
4
(3)
2
−5
x
=
−180
2
x
=
36
x
=
±
6
(4)
2
2
x
=
18
2
x
=
9
x
=
±
3
(5)
2
6
x
=
1
2
x
1
=
6
x
6
=
±
6
(6)
2
x
=
1
x
=
±
1
(7)
2
5
x
=
2
2
x
2
=
5
x
10
=
±
5
(8)
2
3
x
=
75
2
x
=
25
x
=
±
5
(9)
2
9
x
=
3
2
x
1
=
3
x
3
=
±
3
(10)
2
−3
x
=
−300
2
x
=
100
x
=
±
10
(11)
2
−3
x
=
−192
2
x
=
64
x
=
±
8
(12)
2
3
x
=
12
2
x
=
4
x
=
±
2