2桁同士の乗算

(1)

14
×
 
＝
1134

(2)

 
×
24
＝
2208

(3)

 
×
81
＝
7938

(4)

90
×
 
＝
5400

(5)

33
×
 
＝
1584

(6)

 
×
84
＝
2016

(7)

33
×
 
＝
990

(8)

73
×
 
＝
6132

(9)

94
×
 
＝
4042

(10)

 
×
38
＝
1330

(11)

81
×
 
＝
2997

(12)

55
×
 
＝
1045

(13)

64
×
 
＝
4032

(14)

 
×
19
＝
1691

(15)

 
×
55
＝
1705

(16)

 
×
18
＝
1422