2桁同士の乗算

(1)

76
×
 
＝
6764

(2)

 
×
78
＝
4836

(3)

 
×
61
＝
5490

(4)

 
×
30
＝
2640

(5)

45
×
 
＝
2970

(6)

17
×
 
＝
221

(7)

20
×
 
＝
280

(8)

 
×
82
＝
3034

(9)

37
×
 
＝
2183

(10)

 
×
94
＝
2350

(11)

 
×
40
＝
1640

(12)

 
×
18
＝
234

(13)

26
×
 
＝
1924

(14)

 
×
25
＝
1100

(15)

42
×
 
＝
2688

(16)

 
×
48
＝
1488