2桁同士の乗算

(1)

 
×
33
＝
396

(2)

 
×
37
＝
3256

(3)

 
×
38
＝
2850

(4)

 
×
17
＝
1224

(5)

 
×
28
＝
1988

(6)

91
×
 
＝
3731

(7)

18
×
 
＝
1404

(8)

24
×
 
＝
912

(9)

98
×
 
＝
4900

(10)

 
×
27
＝
351

(11)

 
×
19
＝
475

(12)

51
×
 
＝
4080

(13)

63
×
 
＝
3402

(14)

 
×
13
＝
299

(15)

43
×
 
＝
1634

(16)

97
×
 
＝
7566