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