2桁同士の乗算

(1)

 
×
62
＝
4216

(2)

24
×
 
＝
2160

(3)

 
×
21
＝
1449

(4)

56
×
 
＝
4312

(5)

64
×
 
＝
2176

(6)

 
×
85
＝
4675

(7)

 
×
97
＝
7178

(8)

 
×
95
＝
3705

(9)

21
×
 
＝
567

(10)

 
×
12
＝
444

(11)

 
×
43
＝
3010

(12)

 
×
52
＝
2392

(13)

21
×
 
＝
1113

(14)

 
×
56
＝
2240

(15)

 
×
21
＝
945

(16)

13
×
 
＝
611