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▲
©2026 数学クラブ http://sugaku.club/
月 日( )
● 計算しなさい
[1Q3-00]
(1)
2
2
(
+
6
)
(2)
175
7
(
+
1
)
(3)
7
175
(
+
8
)
(4)
3
12
2
(
+
)
(5)
3
12
(
+
7
)
(6)
7
3
7
(
+
)
(7)
5
125
2
(
+
)
(8)
7
2
28
(
+
)
(9)
5
20
(
2
+
)
(10)
27
5
27
(
+
)
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
2
2
(
+
6
)
2
=
2
+
6
2
=
2
+
6
(2)
175
7
(
+
1
)
7
7
=
5
(
+
1
)
7
=
5
×
7
+
5
7
=
35
+
5
(3)
7
175
(
+
8
)
7
7
=
(
5
+
8
)
7
=
5
×
7
+
8
7
=
35
+
8
(4)
3
12
2
(
+
)
3
3
2
=
(
2
+
)
6
=
2
×
3
+
6
=
6
+
(5)
3
12
(
+
7
)
3
3
=
(
2
+
7
)
3
=
2
×
3
+
7
3
=
6
+
7
(6)
7
3
7
(
+
)
21
=
+
7
21
=
+
7
(7)
5
125
2
(
+
)
5
5
2
=
(
5
+
)
10
=
5
×
5
+
10
=
25
+
(8)
7
2
28
(
+
)
7
2
7
=
(
+
2
)
14
=
+
2
×
7
14
=
+
14
(9)
5
20
(
2
+
)
5
5
=
(
2
+
2
)
5
=
2
+
2
×
5
5
=
2
+
10
(10)
27
5
27
(
+
)
3
5
3
=
3
(
+
3
)
15
=
3
+
9
×
3
15
=
3
+
27