算数ドリルの答え

1-復習2-4
【答え】くり上がり・くり下がり(虫食い)
(問題更新日:2024/05/17)

(1)
[7]
+
3
=
10
(11)
9
+
[1]
=
10
(2)
14
-
[6]
=
8
(12)
[10]
-
8
=
2
(3)
[6]
+
9
=
15
(13)
7
+
[8]
=
15
(4)
16
-
[8]
=
8
(14)
[15]
-
7
=
8
(5)
[5]
+
6
=
11
(15)
2
+
[9]
=
11
(6)
14
-
[7]
=
7
(16)
[12]
-
6
=
6
(7)
[8]
+
7
=
15
(17)
7
+
[5]
=
12
(8)
14
-
[9]
=
5
(18)
[11]
-
4
=
7
(9)
[4]
+
7
=
11
(19)
9
+
[7]
=
16
(10)
16
-
[7]
=
9
(20)
[18]
-
9
=
9