2桁同士の乗算

(1)

 
×
53
＝
4929

(2)

15
×
 
＝
345

(3)

14
×
 
＝
1386

(4)

 
×
41
＝
1312

(5)

39
×
 
＝
663

(6)

47
×
 
＝
1927

(7)

91
×
 
＝
4823

(8)

 
×
40
＝
3200

(9)

 
×
54
＝
3240

(10)

 
×
79
＝
6557

(11)

83
×
 
＝
6889

(12)

 
×
56
＝
1008

(13)

91
×
 
＝
7462

(14)

99
×
 
＝
7128

(15)

 
×
95
＝
7030

(16)

94
×
 
＝
8930