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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
2
3
(
＋
)
(2)
63
28
(
−7
＋
)
(3)
175
3
63
(
＋
)
(4)
7
28
(
＋
2
)
(5)
12
3
(
2
＋
)
(6)
7
175
(
−6
＋
)
(7)
7
3
7
(
＋
)
(8)
3
3
(
＋
3
)
(9)
45
125
(
＋
7
)
(10)
7
7
(
2
＋
)
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
3
2
3
(
＋
)
6
=
＋
3
6
=
＋
3
(2)
63
28
(
−7
＋
)
7
7
=
3
(
−7
＋
2
)
7
=
−21
＋
6
×
7
7
=
−21
＋
42
(3)
175
3
63
(
＋
)
7
3
7
=
5
(
＋
3
)
21
=
5
＋
15
×
7
21
=
5
＋
105
(4)
7
28
(
＋
2
)
7
7
=
(
2
＋
2
)
7
=
2
×
7
＋
2
7
=
14
＋
2
(5)
12
3
(
2
＋
)
3
3
=
2
(
2
＋
)
3
=
4
＋
2
×
3
3
=
4
＋
6
(6)
7
175
(
−6
＋
)
7
7
=
(
−6
＋
5
)
7
=
−6
＋
5
×
7
7
=
−6
＋
35
(7)
7
3
7
(
＋
)
21
=
＋
7
21
=
＋
7
(8)
3
3
(
＋
3
)
3
=
3
＋
3
3
=
3
＋
3
(9)
45
125
(
＋
7
)
5
5
=
3
(
5
＋
7
)
5
=
15
×
5
＋
21
5
=
75
＋
21
(10)
7
7
(
2
＋
)
7
=
2
＋
7
7
=
2
＋
7