2桁同士の加算

(1)

62
＋
23
＝
 

(2)

42
＋
23
＝
 

(3)

36
＋
21
＝
 

(4)

14
＋
81
＝
 

(5)

35
＋
51
＝
 

(6)

11
＋
25
＝
 

(7)

87
＋
10
＝
 

(8)

16
＋
10
＝
 

(9)

23
＋
72
＝
 

(10)

22
＋
13
＝
 

(11)

31
＋
24
＝
 

(12)

12
＋
83
＝
 

(13)

40
＋
42
＝
 

(14)

41
＋
33
＝
 

(15)

70
＋
16
＝
 

(16)

18
＋
20
＝