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©2026 数学クラブ http://sugaku.club/
月 日( )
● 計算しなさい
[1Q2-00]
(1)
3
5
−
27
(2)
1
7
+
63
(3)
7
1
+
28
(4)
7
9
+
63
(5)
−1
1
+
7
28
(6)
50
10
5
+
50
(7)
175
1
10
+
63
(8)
27
1
+
12
(9)
−4
1
+
75
75
(10)
8
1
+
5
5
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
3
5
−
27
3
5
=
−
3
3
3
3
5
=
−
3
×
3
4
3
=
9
(2)
1
7
+
63
1
7
=
+
7
3
7
7
=
+
3
×
7
22
7
=
21
(3)
7
1
+
28
7
1
=
+
7
2
7
7
=
+
2
×
7
15
7
=
14
(4)
7
9
+
63
7
9
=
+
7
3
7
7
9
=
+
3
×
7
10
7
=
7
(5)
−1
1
+
7
28
1
1
=
−
+
7
7
2
7
7
=
−
+
7
2
×
7
1
7
=
−
14
(6)
50
10
5
+
50
2
10
=
5
×
5
+
2
5
2
2
10
=
5
×
5
+
5
×
2
2
=
26
(7)
175
1
10
+
63
7
1
=
10
×
5
+
7
3
7
7
=
10
×
5
+
3
×
7
1051
7
=
21
(8)
27
1
+
12
3
1
=
3
+
3
2
3
3
=
3
+
2
×
3
19
3
=
6
(9)
−4
1
+
75
75
4
1
=
−
+
3
5
3
5
3
4
3
=
−
+
5
×
3
5
×
3
1
3
=
−
5
(10)
8
1
+
5
5
5
8
5
=
+
5
5
9
5
=
5