2桁同士の乗算

(1)

29
×
 
＝
2117

(2)

40
×
 
＝
2360

(3)

31
×
 
＝
961

(4)

 
×
14
＝
882

(5)

 
×
17
＝
918

(6)

15
×
 
＝
1350

(7)

 
×
23
＝
1679

(8)

49
×
 
＝
4704

(9)

23
×
 
＝
1035

(10)

 
×
29
＝
1218

(11)

78
×
 
＝
7332

(12)

98
×
 
＝
1764

(13)

41
×
 
＝
492

(14)

36
×
 
＝
972

(15)

 
×
26
＝
1846

(16)

98
×
 
＝
3038