2桁同士の乗算

(1)

97
×
 
＝
8148

(2)

50
×
 
＝
2700

(3)

 
×
81
＝
6237

(4)

 
×
69
＝
3657

(5)

62
×
 
＝
1364

(6)

 
×
59
＝
1475

(7)

38
×
 
＝
2774

(8)

51
×
 
＝
4182

(9)

39
×
 
＝
2730

(10)

 
×
20
＝
920

(11)

52
×
 
＝
2444

(12)

 
×
17
＝
1292

(13)

 
×
48
＝
2832

(14)

 
×
44
＝
3344

(15)

 
×
46
＝
1702

(16)

 
×
28
＝
2324