2桁同士の乗算

(1)

71
×
 
＝
994

(2)

 
×
19
＝
323

(3)

 
×
27
＝
1593

(4)

 
×
66
＝
2838

(5)

56
×
 
＝
1624

(6)

 
×
59
＝
1711

(7)

 
×
59
＝
3363

(8)

89
×
 
＝
4450

(9)

 
×
22
＝
880

(10)

 
×
60
＝
3600

(11)

77
×
 
＝
1463

(12)

60
×
 
＝
3660

(13)

88
×
 
＝
3784

(14)

27
×
 
＝
1350

(15)

 
×
69
＝
2346

(16)

91
×
 
＝
3640