2桁同士の乗算

(1)

 
×
62
＝
5704

(2)

40
×
 
＝
1360

(3)

92
×
 
＝
4876

(4)

 
×
56
＝
3024

(5)

 
×
64
＝
5440

(6)

71
×
 
＝
5041

(7)

 
×
88
＝
6776

(8)

53
×
 
＝
1590

(9)

 
×
57
＝
4104

(10)

 
×
96
＝
8064

(11)

10
×
 
＝
290

(12)

75
×
 
＝
1350

(13)

 
×
14
＝
770

(14)

64
×
 
＝
5632

(15)

15
×
 
＝
870

(16)

 
×
33
＝
2937