2桁同士の乗算

(1)

 
×
69
＝
5520

(2)

73
×
 
＝
2190

(3)

42
×
 
＝
3948

(4)

 
×
80
＝
4480

(5)

 
×
38
＝
532

(6)

 
×
17
＝
1598

(7)

28
×
 
＝
2716

(8)

 
×
74
＝
7030

(9)

57
×
 
＝
4047

(10)

10
×
 
＝
310

(11)

79
×
 
＝
7663

(12)

73
×
 
＝
5037

(13)

 
×
91
＝
5005

(14)

69
×
 
＝
4347

(15)

 
×
22
＝
638

(16)

57
×
 
＝
4332