2桁同士の乗算

(1)

 
×
85
＝
5525

(2)

89
×
 
＝
8633

(3)

 
×
38
＝
1064

(4)

 
×
75
＝
1950

(5)

57
×
 
＝
4845

(6)

 
×
89
＝
3026

(7)

 
×
50
＝
1200

(8)

70
×
 
＝
6230

(9)

83
×
 
＝
5727

(10)

 
×
72
＝
5400

(11)

17
×
 
＝
1224

(12)

57
×
 
＝
3591

(13)

 
×
73
＝
1898

(14)

 
×
12
＝
696

(15)

45
×
 
＝
1755

(16)

 
×
89
＝
2314