2桁同士の乗算

(1)

11
×
 
＝
561

(2)

 
×
21
＝
567

(3)

 
×
27
＝
2646

(4)

52
×
 
＝
884

(5)

13
×
 
＝
910

(6)

 
×
38
＝
3610

(7)

 
×
66
＝
1452

(8)

17
×
 
＝
612

(9)

 
×
49
＝
2744

(10)

 
×
51
＝
4080

(11)

25
×
 
＝
2275

(12)

 
×
38
＝
2394

(13)

 
×
36
＝
1692

(14)

 
×
73
＝
2482

(15)

65
×
 
＝
4550

(16)

 
×
65
＝
2470