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©2026 数学クラブ http://sugaku.club/
月 日（ ）
● 計算しなさい
[1Q3-00]
(1)
175
7
5
(
＋
)
(2)
18
2
8
(
＋
)
(3)
63
28
5
(
＋
)
(4)
7
2
28
(
＋
)
(5)
75
3
(
−
10
)
(6)
5
7
20
(
＋
)
(7)
3
7
3
(
＋
)
(8)
2
8
(
＋
3
)
(9)
7
3
7
(
＋
)
(10)
2
2
(
−
4
)
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
175
7
5
(
＋
)
7
7
5
=
5
(
＋
)
35
=
5
×
7
＋
5
35
=
35
＋
5
(2)
18
2
8
(
＋
)
2
2
2
=
3
(
＋
2
)
=
3
×
2
＋
6
×
2
=
18
(3)
63
28
5
(
＋
)
7
7
5
=
3
(
2
＋
)
35
=
6
×
7
＋
3
35
=
42
＋
3
(4)
7
2
28
(
＋
)
7
2
7
=
(
＋
2
)
14
=
＋
2
×
7
14
=
＋
14
(5)
75
3
(
−
10
)
3
3
=
5
(
−
10
)
3
=
5
×
3
−
50
3
=
15
−
50
(6)
5
7
20
(
＋
)
5
7
5
=
(
＋
2
)
35
=
＋
2
×
5
35
=
＋
10
(7)
3
7
3
(
＋
)
21
=
＋
3
21
=
＋
3
(8)
2
8
(
＋
3
)
2
2
=
(
2
＋
3
)
2
=
2
×
2
＋
3
2
=
4
＋
3
(9)
7
3
7
(
＋
)
21
=
＋
7
21
=
＋
7
(10)
2
2
(
−
4
)
2
=
2
−
4
2
=
2
−
4