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©2025 数学クラブ http://sugaku.club/
月 日（ ）
● 計算しなさい
[1Q3-20]
(1)
8
3
3
2
3
(
＋
)
5
(2)
4
2
9
(
＋
)
7
(3)
2
5
8
5
5
(
＋
)
6
(4)
2
5
3
8
5
(
−
＋
)
8
(5)
18
5
1
8
5
(
＋
)
2
(6)
18
7
3
5
2
7
(
＋
)
(7)
18
5
8
5
2
3
(
＋
)
(8)
2
7
18
7
2
3
(
＋
)
(9)
12
5
3
5
147
5
(
＋
)
(10)
50
3
3
7
2
3
(
＋
)
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
8
3
3
2
3
(
＋
)
5
2
3
3
2
3
=
2
(
＋
)
5
6
2
3
2
=
＋
2
×
5
3
2
6
4
=
＋
5
3
(2)
4
2
9
(
＋
)
7
2
=
2
(
＋
3
)
7
4
=
＋
6
7
46
=
7
(3)
2
5
8
5
5
(
＋
)
6
2
5
2
5
5
=
(
2
＋
)
6
2
5
2
5
=
2
×
＋
5
6
4
1
10
=
＋
5
6
(4)
2
5
3
8
5
(
−
＋
)
8
2
5
3
2
5
=
(
−
＋
2
)
8
3
2
5
2
=
−
＋
2
×
8
5
3
10
4
=
−
＋
40
5
(5)
18
5
1
8
5
(
＋
)
2
2
5
1
2
5
=
3
(
＋
2
)
2
3
2
5
2
=
＋
6
×
2
5
3
10
12
=
＋
10
5
(6)
18
7
3
5
2
7
(
＋
)
2
7
3
5
2
7
=
3
(
＋
)
6
35
2
=
3
＋
3
×
7
3
210
6
=
＋
35
7
(7)
18
5
8
5
2
3
(
＋
)
2
5
2
5
2
3
=
3
(
2
＋
)
2
1
15
=
6
×
＋
3
×
2
5
12
2
15
=
＋
5
5
(8)
2
7
18
7
2
3
(
＋
)
2
7
2
7
2
3
=
(
3
＋
)
2
1
21
=
3
×
＋
2
7
6
2
21
=
＋
7
21
(9)
12
5
3
5
147
5
(
＋
)
3
5
3
5
3
5
=
2
(
＋
7
)
3
3
=
2
×
＋
14
×
5
5
48
=
5
(10)
50
3
3
7
2
3
(
＋
)
2
3
3
7
2
3
=
5
(
＋
)
2
7
2
=
5
＋
5
×
3
5
14
10
=
＋
7
3