2桁同士の乗算

(1)

86
×
 
＝
6192

(2)

57
×
 
＝
4161

(3)

 
×
17
＝
901

(4)

63
×
 
＝
3339

(5)

 
×
21
＝
210

(6)

 
×
96
＝
1152

(7)

 
×
82
＝
6970

(8)

80
×
 
＝
4560

(9)

89
×
 
＝
4094

(10)

45
×
 
＝
2205

(11)

 
×
82
＝
7052

(12)

 
×
36
＝
3564

(13)

53
×
 
＝
4770

(14)

29
×
 
＝
1711

(15)

74
×
 
＝
6734

(16)

 
×
99
＝
4158