2桁同士の乗算

(1)

34
×
 
＝
2754

(2)

22
×
 
＝
330

(3)

 
×
64
＝
4800

(4)

 
×
61
＝
1159

(5)

46
×
 
＝
3726

(6)

34
×
 
＝
1224

(7)

 
×
73
＝
730

(8)

97
×
 
＝
4365

(9)

 
×
41
＝
3772

(10)

 
×
10
＝
250

(11)

 
×
73
＝
3796

(12)

 
×
53
＝
530

(13)

83
×
 
＝
3154

(14)

72
×
 
＝
4176

(15)

10
×
 
＝
280

(16)

 
×
10
＝
220