2桁同士の乗算

(1)

 
×
51
＝
2703

(2)

39
×
 
＝
585

(3)

92
×
 
＝
8464

(4)

41
×
 
＝
984

(5)

77
×
 
＝
7469

(6)

83
×
 
＝
3154

(7)

33
×
 
＝
924

(8)

 
×
77
＝
6468

(9)

 
×
27
＝
297

(10)

 
×
54
＝
702

(11)

 
×
70
＝
910

(12)

64
×
 
＝
1792

(13)

95
×
 
＝
6840

(14)

13
×
 
＝
676

(15)

81
×
 
＝
6966

(16)

 
×
30
＝
2610