1桁同士の加算

(1)

 
＋
3
＝
4

(2)

5
＋
 
＝
6

(3)

 
＋
8
＝
8

(4)

9
＋
 
＝
9

(5)

 
＋
8
＝
9

(6)

3
＋
 
＝
8

(7)

1
＋
 
＝
3

(8)

 
＋
9
＝
9

(9)

5
＋
 
＝
5

(10)

3
＋
 
＝
7

(11)

0
＋
 
＝
5

(12)

 
＋
7
＝
8

(13)

 
＋
1
＝
9

(14)

1
＋
 
＝
2

(15)

7
＋
 
＝
9

(16)

0
＋
 
＝
7