2桁同士の乗算

(1)

24
×
 
＝
1128

(2)

50
×
 
＝
900

(3)

 
×
93
＝
6231

(4)

37
×
 
＝
3145

(5)

 
×
61
＝
3660

(6)

 
×
36
＝
1980

(7)

 
×
52
＝
5096

(8)

 
×
56
＝
1736

(9)

 
×
53
＝
2491

(10)

 
×
42
＝
2226

(11)

 
×
80
＝
1600

(12)

 
×
68
＝
3264

(13)

51
×
 
＝
1836

(14)

 
×
98
＝
6860

(15)

 
×
75
＝
1725

(16)

 
×
54
＝
4698