2桁同士の乗算

(1)

 
×
32
＝
1088

(2)

14
×
 
＝
1246

(3)

 
×
52
＝
2028

(4)

71
×
 
＝
5112

(5)

35
×
 
＝
2800

(6)

 
×
54
＝
2808

(7)

11
×
 
＝
154

(8)

32
×
 
＝
320

(9)

 
×
21
＝
231

(10)

76
×
 
＝
7144

(11)

 
×
16
＝
512

(12)

 
×
37
＝
2886

(13)

72
×
 
＝
4104

(14)

31
×
 
＝
961

(15)

 
×
68
＝
5780

(16)

 
×
26
＝
2522