[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)
50
50
−5
+
8
(2)
75
27
6
+
7
(3)
27
12
−2
+
4
(4)
75
75
−10
−
4
(5)
125
125
+
9
(6)
75
75
+
(7)
125
125
−2
+
(8)
20
45
+
(9)
63
175
+
(10)
20
45
−8
+
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
50
50
−5
+
8
2
2
=
−5
×
5
+
8
×
5
2
=
15
(2)
75
27
6
+
7
3
3
=
6
×
5
+
7
×
3
3
=
51
(3)
27
12
−2
+
4
3
3
=
−2
×
3
+
4
×
2
3
=
2
(4)
75
75
−10
−
4
3
3
=
−10
×
5
−
4
×
5
3
=
−70
(5)
125
125
+
9
5
5
=
5
+
9
×
5
5
=
50
(6)
75
75
+
3
3
=
5
+
5
3
=
10
(7)
125
125
−2
+
5
5
=
−2
×
5
+
5
5
=
−5
(8)
20
45
+
5
5
=
2
+
3
5
=
5
(9)
63
175
+
7
7
=
3
+
5
7
=
8
(10)
20
45
−8
+
5
5
=
−8
×
2
+
3
5
=
−13