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▲
©2025 数学クラブ http://sugaku.club/
月 日( )
● 計算しなさい
[066-00]
(1)
(
−
63
)
÷
(
−
7
)
(2)
(
−
40
)
÷
(
−
8
)
(3)
(
−
10
)
÷
(
−
5
)
(4)
(
−
48
)
÷
(
−
8
)
(5)
(
+
30
)
÷
(
+
5
)
(6)
(
−
32
)
÷
(
−
4
)
(7)
(
+
15
)
÷
(
+
5
)
(8)
(
+
36
)
÷
(
+
4
)
(9)
(
+
81
)
÷
(
+
9
)
(10)
(
+
100
)
÷
(
+
10
)
(11)
(
+
21
)
÷
(
+
3
)
(12)
(
+
30
)
÷
(
+
6
)
(13)
(
−
72
)
÷
(
−
8
)
(14)
(
+
14
)
÷
(
+
7
)
(15)
(
+
4
)
÷
(
+
2
)
(16)
(
−
40
)
÷
(
−
10
)
(17)
(
+
28
)
÷
(
+
7
)
(18)
(
+
18
)
÷
(
+
6
)
(19)
(
−
15
)
÷
(
−
3
)
(20)
(
+
7
)
÷
(
+
7
)
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
(
−
63
)
÷
(
−
7
)
=
+
(
63
÷
7
)
=
+
9
(2)
(
−
40
)
÷
(
−
8
)
=
+
(
40
÷
8
)
=
+
5
(3)
(
−
10
)
÷
(
−
5
)
=
+
(
10
÷
5
)
=
+
2
(4)
(
−
48
)
÷
(
−
8
)
=
+
(
48
÷
8
)
=
+
6
(5)
(
+
30
)
÷
(
+
5
)
=
+
(
30
÷
5
)
=
+
6
(6)
(
−
32
)
÷
(
−
4
)
=
+
(
32
÷
4
)
=
+
8
(7)
(
+
15
)
÷
(
+
5
)
=
+
(
15
÷
5
)
=
+
3
(8)
(
+
36
)
÷
(
+
4
)
=
+
(
36
÷
4
)
=
+
9
(9)
(
+
81
)
÷
(
+
9
)
=
+
(
81
÷
9
)
=
+
9
(10)
(
+
100
)
÷
(
+
10
)
=
+
(
100
÷
10
)
=
+
10
(11)
(
+
21
)
÷
(
+
3
)
=
+
(
21
÷
3
)
=
+
7
(12)
(
+
30
)
÷
(
+
6
)
=
+
(
30
÷
6
)
=
+
5
(13)
(
−
72
)
÷
(
−
8
)
=
+
(
72
÷
8
)
=
+
9
(14)
(
+
14
)
÷
(
+
7
)
=
+
(
14
÷
7
)
=
+
2
(15)
(
+
4
)
÷
(
+
2
)
=
+
(
4
÷
2
)
=
+
2
(16)
(
−
40
)
÷
(
−
10
)
=
+
(
40
÷
10
)
=
+
4
(17)
(
+
28
)
÷
(
+
7
)
=
+
(
28
÷
7
)
=
+
4
(18)
(
+
18
)
÷
(
+
6
)
=
+
(
18
÷
6
)
=
+
3
(19)
(
−
15
)
÷
(
−
3
)
=
+
(
15
÷
3
)
=
+
5
(20)
(
+
7
)
÷
(
+
7
)
=
+
(
7
÷
7
)
=
+
1