[文字サイズの変更]
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▲
©2025 数学クラブ http://sugaku.club/
月 日( )
● 計算しなさい
[066-00]
(1)
(
−
24
)
÷
(
−
3
)
(2)
(
+
24
)
÷
(
+
3
)
(3)
(
+
2
)
÷
(
+
2
)
(4)
(
+
24
)
÷
(
+
4
)
(5)
(
−
20
)
÷
(
−
4
)
(6)
(
+
50
)
÷
(
+
10
)
(7)
(
+
35
)
÷
(
+
5
)
(8)
(
+
36
)
÷
(
+
6
)
(9)
(
+
10
)
÷
(
+
10
)
(10)
(
+
81
)
÷
(
+
9
)
(11)
(
−
28
)
÷
(
−
4
)
(12)
(
−
42
)
÷
(
−
6
)
(13)
(
−
60
)
÷
(
−
10
)
(14)
(
+
28
)
÷
(
+
4
)
(15)
(
+
42
)
÷
(
+
7
)
(16)
(
+
16
)
÷
(
+
8
)
(17)
(
−
2
)
÷
(
−
1
)
(18)
(
−
40
)
÷
(
−
4
)
(19)
(
+
9
)
÷
(
+
3
)
(20)
(
+
20
)
÷
(
+
5
)
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
(
−
24
)
÷
(
−
3
)
=
+
(
24
÷
3
)
=
+
8
(2)
(
+
24
)
÷
(
+
3
)
=
+
(
24
÷
3
)
=
+
8
(3)
(
+
2
)
÷
(
+
2
)
=
+
(
2
÷
2
)
=
+
1
(4)
(
+
24
)
÷
(
+
4
)
=
+
(
24
÷
4
)
=
+
6
(5)
(
−
20
)
÷
(
−
4
)
=
+
(
20
÷
4
)
=
+
5
(6)
(
+
50
)
÷
(
+
10
)
=
+
(
50
÷
10
)
=
+
5
(7)
(
+
35
)
÷
(
+
5
)
=
+
(
35
÷
5
)
=
+
7
(8)
(
+
36
)
÷
(
+
6
)
=
+
(
36
÷
6
)
=
+
6
(9)
(
+
10
)
÷
(
+
10
)
=
+
(
10
÷
10
)
=
+
1
(10)
(
+
81
)
÷
(
+
9
)
=
+
(
81
÷
9
)
=
+
9
(11)
(
−
28
)
÷
(
−
4
)
=
+
(
28
÷
4
)
=
+
7
(12)
(
−
42
)
÷
(
−
6
)
=
+
(
42
÷
6
)
=
+
7
(13)
(
−
60
)
÷
(
−
10
)
=
+
(
60
÷
10
)
=
+
6
(14)
(
+
28
)
÷
(
+
4
)
=
+
(
28
÷
4
)
=
+
7
(15)
(
+
42
)
÷
(
+
7
)
=
+
(
42
÷
7
)
=
+
6
(16)
(
+
16
)
÷
(
+
8
)
=
+
(
16
÷
8
)
=
+
2
(17)
(
−
2
)
÷
(
−
1
)
=
+
(
2
÷
1
)
=
+
2
(18)
(
−
40
)
÷
(
−
4
)
=
+
(
40
÷
4
)
=
+
10
(19)
(
+
9
)
÷
(
+
3
)
=
+
(
9
÷
3
)
=
+
3
(20)
(
+
20
)
÷
(
+
5
)
=
+
(
20
÷
5
)
=
+
4