2桁同士の乗算

(1)

 
×
83
＝
6640

(2)

38
×
 
＝
3572

(3)

77
×
 
＝
1694

(4)

28
×
 
＝
868

(5)

66
×
 
＝
4026

(6)

 
×
54
＝
2538

(7)

51
×
 
＝
3417

(8)

85
×
 
＝
2125

(9)

 
×
34
＝
3094

(10)

 
×
16
＝
496

(11)

94
×
 
＝
5170

(12)

 
×
52
＝
1924

(13)

 
×
27
＝
1998

(14)

36
×
 
＝
648

(15)

 
×
53
＝
3975

(16)

 
×
90
＝
3420