2桁同士の乗算

(1)

64
×
 
＝
4864

(2)

47
×
 
＝
4042

(3)

95
×
 
＝
3515

(4)

46
×
 
＝
1518

(5)

23
×
 
＝
1978

(6)

11
×
 
＝
297

(7)

 
×
31
＝
1426

(8)

52
×
 
＝
3796

(9)

 
×
98
＝
8918

(10)

 
×
97
＝
3395

(11)

18
×
 
＝
432

(12)

57
×
 
＝
3021

(13)

74
×
 
＝
5328

(14)

24
×
 
＝
1536

(15)

 
×
97
＝
5141

(16)

32
×
 
＝
2048