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©2025 数学クラブ http://sugaku.club/
月 日（ ）
● 計算しなさい
[1Q3-00]
(1)
63
5
28
(
＋
)
(2)
18
2
(
＋
9
)
(3)
45
45
(
7
＋
)
(4)
2
2
(
＋
5
)
(5)
63
175
(
−
4
)
(6)
7
28
2
(
＋
)
(7)
27
27
(
＋
2
)
(8)
7
7
(
−4
＋
)
(9)
63
7
(
10
＋
)
(10)
18
5
2
(
＋
)
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
63
5
28
(
＋
)
7
5
7
=
3
(
＋
2
)
35
=
3
＋
6
×
7
35
=
3
＋
42
(2)
18
2
(
＋
9
)
2
2
=
3
(
＋
9
)
2
=
3
×
2
＋
27
2
=
6
＋
27
(3)
45
45
(
7
＋
)
5
5
=
3
(
7
＋
3
)
5
=
21
＋
9
×
5
5
=
21
＋
45
(4)
2
2
(
＋
5
)
2
=
2
＋
5
2
=
2
＋
5
(5)
63
175
(
−
4
)
7
7
=
3
(
5
−
4
)
7
=
15
×
7
−
12
7
=
105
−
12
(6)
7
28
2
(
＋
)
7
7
2
=
(
2
＋
)
14
=
2
×
7
＋
14
=
14
＋
(7)
27
27
(
＋
2
)
3
3
=
3
(
3
＋
2
)
3
=
9
×
3
＋
6
3
=
27
＋
6
(8)
7
7
(
−4
＋
)
7
=
−4
＋
7
7
=
−4
＋
7
(9)
63
7
(
10
＋
)
7
7
=
3
(
10
＋
)
7
=
30
＋
3
×
7
7
=
30
＋
21
(10)
18
5
2
(
＋
)
2
5
2
=
3
(
＋
)
10
=
3
＋
3
×
2
10
=
3
＋
6