2桁同士の加算

(1)

46
＋
75
＝
 

(2)

81
＋
39
＝
 

(3)

78
＋
27
＝
 

(4)

52
＋
57
＝
 

(5)

50
＋
51
＝
 

(6)

31
＋
69
＝
 

(7)

41
＋
79
＝
 

(8)

41
＋
89
＝
 

(9)

78
＋
95
＝
 

(10)

27
＋
25
＝
 

(11)

65
＋
80
＝
 

(12)

90
＋
33
＝
 

(13)

55
＋
46
＝
 

(14)

73
＋
54
＝
 

(15)

53
＋
56
＝
 

(16)

87
＋
88
＝