2桁同士の乗算

(1)

73
×
 
＝
876

(2)

 
×
83
＝
6059

(3)

21
×
 
＝
315

(4)

 
×
11
＝
121

(5)

57
×
 
＝
570

(6)

45
×
 
＝
1260

(7)

13
×
 
＝
1092

(8)

 
×
53
＝
4982

(9)

 
×
90
＝
6120

(10)

 
×
86
＝
4386

(11)

27
×
 
＝
2241

(12)

37
×
 
＝
2997

(13)

 
×
80
＝
1920

(14)

34
×
 
＝
1836

(15)

 
×
26
＝
962

(16)

 
×
82
＝
4346