2桁同士の乗算

(1)

41
×
 
＝
984

(2)

96
×
 
＝
1920

(3)

15
×
 
＝
210

(4)

 
×
80
＝
6400

(5)

 
×
41
＝
2665

(6)

 
×
20
＝
1340

(7)

29
×
 
＝
522

(8)

82
×
 
＝
4182

(9)

 
×
89
＝
4539

(10)

36
×
 
＝
1548

(11)

51
×
 
＝
3519

(12)

26
×
 
＝
2054

(13)

36
×
 
＝
3384

(14)

 
×
71
＝
3408

(15)

64
×
 
＝
4864

(16)

 
×
78
＝
2418