2桁同士の乗算

(1)

26
×
 
＝
598

(2)

 
×
92
＝
7912

(3)

51
×
 
＝
2040

(4)

 
×
62
＝
930

(5)

 
×
29
＝
2059

(6)

 
×
89
＝
6141

(7)

 
×
21
＝
819

(8)

 
×
38
＝
3002

(9)

81
×
 
＝
6642

(10)

 
×
26
＝
2392

(11)

39
×
 
＝
2769

(12)

53
×
 
＝
2809

(13)

74
×
 
＝
5032

(14)

29
×
 
＝
2436

(15)

86
×
 
＝
1634

(16)

20
×
 
＝
680