2桁同士の乗算

(1)

47
×
 
＝
3290

(2)

73
×
 
＝
7008

(3)

66
×
 
＝
5544

(4)

57
×
 
＝
1425

(5)

93
×
 
＝
8277

(6)

89
×
 
＝
1246

(7)

 
×
15
＝
705

(8)

 
×
71
＝
5538

(9)

22
×
 
＝
1782

(10)

 
×
33
＝
429

(11)

 
×
21
＝
1554

(12)

32
×
 
＝
3008

(13)

13
×
 
＝
1222

(14)

17
×
 
＝
1513

(15)

69
×
 
＝
1449

(16)

27
×
 
＝
2619