[文字サイズの変更]
▼
▲
©2026 数学クラブ http://sugaku.club/
月 日( )
● 計算しなさい
[066-00]
(1)
(
−
15
)
÷
(
−
3
)
(2)
(
+
35
)
÷
(
+
7
)
(3)
(
+
1
)
÷
(
+
1
)
(4)
(
+
70
)
÷
(
+
7
)
(5)
(
−
48
)
÷
(
−
8
)
(6)
(
+
1
)
÷
(
+
1
)
(7)
(
−
70
)
÷
(
−
7
)
(8)
(
−
12
)
÷
(
−
3
)
(9)
(
+
10
)
÷
(
+
1
)
(10)
(
+
90
)
÷
(
+
9
)
(11)
(
+
70
)
÷
(
+
10
)
(12)
(
+
63
)
÷
(
+
7
)
(13)
(
+
8
)
÷
(
+
8
)
(14)
(
+
9
)
÷
(
+
1
)
(15)
(
+
8
)
÷
(
+
2
)
(16)
(
−
9
)
÷
(
−
3
)
(17)
(
−
90
)
÷
(
−
9
)
(18)
(
+
9
)
÷
(
+
1
)
(19)
(
−
72
)
÷
(
−
9
)
(20)
(
−
24
)
÷
(
−
6
)
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
(
−
15
)
÷
(
−
3
)
=
+
(
15
÷
3
)
=
+
5
(2)
(
+
35
)
÷
(
+
7
)
=
+
(
35
÷
7
)
=
+
5
(3)
(
+
1
)
÷
(
+
1
)
=
+
(
1
÷
1
)
=
+
1
(4)
(
+
70
)
÷
(
+
7
)
=
+
(
70
÷
7
)
=
+
10
(5)
(
−
48
)
÷
(
−
8
)
=
+
(
48
÷
8
)
=
+
6
(6)
(
+
1
)
÷
(
+
1
)
=
+
(
1
÷
1
)
=
+
1
(7)
(
−
70
)
÷
(
−
7
)
=
+
(
70
÷
7
)
=
+
10
(8)
(
−
12
)
÷
(
−
3
)
=
+
(
12
÷
3
)
=
+
4
(9)
(
+
10
)
÷
(
+
1
)
=
+
(
10
÷
1
)
=
+
10
(10)
(
+
90
)
÷
(
+
9
)
=
+
(
90
÷
9
)
=
+
10
(11)
(
+
70
)
÷
(
+
10
)
=
+
(
70
÷
10
)
=
+
7
(12)
(
+
63
)
÷
(
+
7
)
=
+
(
63
÷
7
)
=
+
9
(13)
(
+
8
)
÷
(
+
8
)
=
+
(
8
÷
8
)
=
+
1
(14)
(
+
9
)
÷
(
+
1
)
=
+
(
9
÷
1
)
=
+
9
(15)
(
+
8
)
÷
(
+
2
)
=
+
(
8
÷
2
)
=
+
4
(16)
(
−
9
)
÷
(
−
3
)
=
+
(
9
÷
3
)
=
+
3
(17)
(
−
90
)
÷
(
−
9
)
=
+
(
90
÷
9
)
=
+
10
(18)
(
+
9
)
÷
(
+
1
)
=
+
(
9
÷
1
)
=
+
9
(19)
(
−
72
)
÷
(
−
9
)
=
+
(
72
÷
9
)
=
+
8
(20)
(
−
24
)
÷
(
−
6
)
=
+
(
24
÷
6
)
=
+
4