2桁同士の乗算

(1)

51
×
 
＝
1887

(2)

86
×
 
＝
2494

(3)

60
×
 
＝
5040

(4)

75
×
 
＝
5625

(5)

 
×
91
＝
4368

(6)

 
×
91
＝
8281

(7)

 
×
38
＝
3040

(8)

 
×
72
＝
7056

(9)

 
×
88
＝
3344

(10)

87
×
 
＝
4872

(11)

34
×
 
＝
2074

(12)

64
×
 
＝
4224

(13)

 
×
48
＝
4656

(14)

25
×
 
＝
925

(15)

93
×
 
＝
4185

(16)

75
×
 
＝
6750