2桁同士の乗算

(1)

 
×
71
＝
2982

(2)

39
×
 
＝
975

(3)

 
×
36
＝
1764

(4)

98
×
 
＝
4998

(5)

59
×
 
＝
1829

(6)

80
×
 
＝
4560

(7)

 
×
98
＝
2744

(8)

 
×
36
＝
720

(9)

 
×
88
＝
6160

(10)

 
×
88
＝
4928

(11)

 
×
78
＝
3198

(12)

59
×
 
＝
1239

(13)

 
×
12
＝
192

(14)

67
×
 
＝
2010

(15)

29
×
 
＝
2378

(16)

 
×
73
＝
4015