2桁同士の乗算

(1)

 
×
23
＝
897

(2)

 
×
53
＝
4664

(3)

83
×
 
＝
2158

(4)

51
×
 
＝
1122

(5)

49
×
 
＝
2989

(6)

 
×
66
＝
4224

(7)

21
×
 
＝
1092

(8)

 
×
23
＝
483

(9)

11
×
 
＝
946

(10)

86
×
 
＝
2752

(11)

18
×
 
＝
900

(12)

47
×
 
＝
2679

(13)

 
×
10
＝
900

(14)

23
×
 
＝
1104

(15)

62
×
 
＝
5828

(16)

39
×
 
＝
1170