2桁同士の乗算

(1)

 
×
25
＝
1800

(2)

 
×
89
＝
7832

(3)

34
×
 
＝
442

(4)

10
×
 
＝
440

(5)

94
×
 
＝
1128

(6)

 
×
71
＝
1491

(7)

99
×
 
＝
1782

(8)

 
×
18
＝
522

(9)

37
×
 
＝
703

(10)

23
×
 
＝
1495

(11)

 
×
53
＝
1643

(12)

63
×
 
＝
3843

(13)

 
×
37
＝
3515

(14)

63
×
 
＝
3339

(15)

99
×
 
＝
6534

(16)

45
×
 
＝
2070