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©2024 数学クラブ http://sugaku.club/
月 日( )
● 計算しなさい
[1Q1-20]
(1)
75
7
12
7
+
(2)
12
7
4
27
7
+
5
(3)
7
45
7
125
7
−
+
8
(4)
50
7
1
18
7
+
2
(5)
8
7
18
7
+
(6)
1
27
5
12
5
−
+
5
(7)
1
8
3
5
98
3
−
−
5
9
(8)
1
8
7
1
50
7
−
2
7
(9)
1
50
3
1
8
3
−
3
3
(10)
8
3
50
3
+
©2024 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
75
7
12
7
+
3
7
3
7
=
5
+
2
3
7
=
7
21
=
(2)
12
7
4
27
7
+
5
3
7
4
3
7
=
2
+
×
3
5
22
3
7
=
5
22
21
=
35
(3)
7
45
7
125
7
−
+
8
7
5
7
5
7
=
−
×
3
+
5
8
19
5
7
=
8
19
35
=
56
(4)
50
7
1
18
7
+
2
2
7
1
2
7
=
5
+
×
3
2
13
2
7
=
2
13
14
=
14
(5)
8
7
18
7
+
2
7
2
7
=
2
+
3
2
7
=
5
5
14
=
7
(6)
1
27
5
12
5
−
+
5
1
3
5
3
5
=
−
×
3
+
2
5
7
3
5
=
5
7
15
=
25
(7)
1
8
3
5
98
3
−
−
5
9
1
2
3
5
2
3
=
−
×
2
−
×
7
5
9
193
2
3
=
−
45
193
6
=
−
135
(8)
1
8
7
1
50
7
−
2
7
1
2
7
1
2
7
=
×
2
−
×
5
2
7
2
2
7
=
7
2
14
=
49
(9)
1
50
3
1
8
3
−
3
3
1
2
3
1
2
3
=
×
5
−
×
2
3
3
2
3
=
1
6
=
3
(10)
8
3
50
3
+
2
3
2
3
=
2
+
5
2
3
=
7
7
6
=
3