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©2025 数学クラブ http://sugaku.club/
月 日（ ）
● 計算しなさい
[1Q3-00]
(1)
3
12
(
−3
＋
)
(2)
2
8
(
4
＋
)
(3)
27
3
(
−
2
)
(4)
3
3
(
7
＋
)
(5)
7
5
63
(
＋
)
(6)
7
7
5
(
＋
)
(7)
63
7
(
4
＋
)
(8)
5
5
(
＋
7
)
(9)
8
50
(
−3
＋
)
(10)
63
7
(
−2
＋
)
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
3
12
(
−3
＋
)
3
3
=
(
−3
＋
2
)
3
=
−3
＋
2
×
3
3
=
−3
＋
6
(2)
2
8
(
4
＋
)
2
2
=
(
4
＋
2
)
2
=
4
＋
2
×
2
2
=
4
＋
4
(3)
27
3
(
−
2
)
3
3
=
3
(
−
2
)
3
=
3
×
3
−
6
3
=
9
−
6
(4)
3
3
(
7
＋
)
3
=
7
＋
3
3
=
7
＋
3
(5)
7
5
63
(
＋
)
7
5
7
=
(
＋
3
)
35
=
＋
3
×
7
35
=
＋
21
(6)
7
7
5
(
＋
)
35
=
7
＋
35
=
7
＋
(7)
63
7
(
4
＋
)
7
7
=
3
(
4
＋
)
7
=
12
＋
3
×
7
7
=
12
＋
21
(8)
5
5
(
＋
7
)
5
=
5
＋
7
5
=
5
＋
7
(9)
8
50
(
−3
＋
)
2
2
=
2
(
−3
＋
5
)
2
=
−6
＋
10
×
2
2
=
−6
＋
20
(10)
63
7
(
−2
＋
)
7
7
=
3
(
−2
＋
)
7
=
−6
＋
3
×
7
7
=
−6
＋
21