2桁同士の乗算

(1)

 
×
34
＝
986

(2)

 
×
91
＝
4914

(3)

68
×
 
＝
1020

(4)

 
×
22
＝
1408

(5)

 
×
78
＝
1638

(6)

90
×
 
＝
3150

(7)

64
×
 
＝
1600

(8)

 
×
37
＝
1036

(9)

23
×
 
＝
1334

(10)

25
×
 
＝
375

(11)

90
×
 
＝
3780

(12)

 
×
13
＝
247

(13)

95
×
 
＝
7980

(14)

45
×
 
＝
2925

(15)

95
×
 
＝
2090

(16)

60
×
 
＝
3540