2桁同士の乗算

(1)

 
×
28
＝
1372

(2)

17
×
 
＝
1479

(3)

 
×
19
＝
494

(4)

 
×
13
＝
1157

(5)

94
×
 
＝
3290

(6)

 
×
25
＝
1325

(7)

 
×
83
＝
5644

(8)

57
×
 
＝
5244

(9)

50
×
 
＝
4450

(10)

 
×
96
＝
3456

(11)

57
×
 
＝
3249

(12)

 
×
18
＝
1008

(13)

64
×
 
＝
6336

(14)

85
×
 
＝
3655

(15)

40
×
 
＝
2760

(16)

91
×
 
＝
5824