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©2026 数学クラブ http://sugaku.club/
月 日( )
● 計算しなさい
[1Q1-00]
(1)
12
75
−7
+
(2)
8
50
5
+
(3)
75
12
−5
+
(4)
27
75
4
+
(5)
175
63
+
(6)
63
63
+
(7)
20
45
−
(8)
8
50
+
6
(9)
45
20
5
+
6
(10)
27
27
+
10
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
12
75
−7
+
3
3
=
−7
×
2
+
5
3
=
−9
(2)
8
50
5
+
2
2
=
5
×
2
+
5
2
=
15
(3)
75
12
−5
+
3
3
=
−5
×
5
+
2
3
=
−23
(4)
27
75
4
+
3
3
=
4
×
3
+
5
3
=
17
(5)
175
63
+
7
7
=
5
+
3
7
=
8
(6)
63
63
+
7
7
=
3
+
3
7
=
6
(7)
20
45
−
5
5
=
2
−
3
5
=
−
(8)
8
50
+
6
2
2
=
2
+
6
×
5
2
=
32
(9)
45
20
5
+
6
5
5
=
5
×
3
+
6
×
2
5
=
27
(10)
27
27
+
10
3
3
=
3
+
10
×
3
3
=
33