2桁同士の乗算

(1)

16
×
 
＝
1264

(2)

23
×
 
＝
1863

(3)

 
×
76
＝
3116

(4)

32
×
 
＝
2912

(5)

27
×
 
＝
2673

(6)

33
×
 
＝
1287

(7)

42
×
 
＝
966

(8)

 
×
25
＝
375

(9)

27
×
 
＝
1647

(10)

48
×
 
＝
2736

(11)

 
×
41
＝
3977

(12)

 
×
40
＝
2760

(13)

 
×
38
＝
3572

(14)

 
×
33
＝
957

(15)

12
×
 
＝
660

(16)

 
×
29
＝
377