2桁同士の乗算

(1)

78
×
 
＝
7488

(2)

 
×
74
＝
2738

(3)

21
×
 
＝
1932

(4)

38
×
 
＝
1482

(5)

70
×
 
＝
4900

(6)

 
×
86
＝
1290

(7)

 
×
22
＝
528

(8)

94
×
 
＝
3102

(9)

83
×
 
＝
4150

(10)

 
×
50
＝
550

(11)

56
×
 
＝
2016

(12)

 
×
58
＝
4698

(13)

78
×
 
＝
5850

(14)

 
×
72
＝
3528

(15)

 
×
75
＝
5250

(16)

88
×
 
＝
8624