2桁同士の乗算

(1)

 
×
12
＝
696

(2)

 
×
40
＝
1200

(3)

70
×
 
＝
3990

(4)

50
×
 
＝
3350

(5)

 
×
18
＝
1296

(6)

48
×
 
＝
2592

(7)

 
×
85
＝
1105

(8)

 
×
92
＝
6992

(9)

65
×
 
＝
6175

(10)

 
×
38
＝
570

(11)

 
×
29
＝
1769

(12)

97
×
 
＝
3589

(13)

 
×
45
＝
3555

(14)

 
×
89
＝
8633

(15)

 
×
99
＝
6930

(16)

57
×
 
＝
1710