2桁同士の乗算

(1)

 
×
19
＝
1634

(2)

55
×
 
＝
5280

(3)

 
×
13
＝
1144

(4)

21
×
 
＝
2016

(5)

73
×
 
＝
2847

(6)

11
×
 
＝
869

(7)

63
×
 
＝
4347

(8)

 
×
46
＝
2852

(9)

 
×
68
＝
5848

(10)

24
×
 
＝
1584

(11)

61
×
 
＝
4087

(12)

 
×
31
＝
2449

(13)

 
×
94
＝
4606

(14)

43
×
 
＝
1118

(15)

 
×
61
＝
4819

(16)

 
×
37
＝
2109