[文字サイズの変更]
▼
▲
©2025 数学クラブ http://sugaku.club/
月 日( )
● 計算しなさい
[1Q1-00]
(1)
18
18
−
(2)
18
8
3
+
(3)
50
8
−3
−
6
(4)
27
75
−8
−
8
(5)
45
125
10
−
2
(6)
63
175
−
+
10
(7)
125
20
+
3
(8)
63
175
−
(9)
175
28
7
+
(10)
45
45
−10
−
3
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
18
18
−
2
2
=
3
−
3
=
0
(2)
18
8
3
+
2
2
=
3
×
3
+
2
2
=
11
(3)
50
8
−3
−
6
2
2
=
−3
×
5
−
6
×
2
2
=
−27
(4)
27
75
−8
−
8
3
3
=
−8
×
3
−
8
×
5
3
=
−64
(5)
45
125
10
−
2
5
5
=
10
×
3
−
2
×
5
5
=
20
(6)
63
175
−
+
10
7
7
=
−
3
+
10
×
5
7
=
47
(7)
125
20
+
3
5
5
=
5
+
3
×
2
5
=
11
(8)
63
175
−
7
7
=
3
−
5
7
=
−2
(9)
175
28
7
+
7
7
=
7
×
5
+
2
7
=
37
(10)
45
45
−10
−
3
5
5
=
−10
×
3
−
3
×
3
5
=
−39