2桁同士の乗算

(1)

88
×
 
＝
880

(2)

58
×
 
＝
580

(3)

 
×
70
＝
770

(4)

 
×
64
＝
6208

(5)

 
×
57
＝
1938

(6)

44
×
 
＝
4268

(7)

83
×
 
＝
4067

(8)

90
×
 
＝
8730

(9)

63
×
 
＝
4410

(10)

 
×
17
＝
1547

(11)

 
×
41
＝
3157

(12)

34
×
 
＝
952

(13)

22
×
 
＝
1694

(14)

63
×
 
＝
5355

(15)

 
×
71
＝
3266

(16)

27
×
 
＝
2484