2桁同士の乗算

(1)

85
×
 
＝
5100

(2)

 
×
53
＝
1590

(3)

80
×
 
＝
4560

(4)

 
×
24
＝
936

(5)

70
×
 
＝
3710

(6)

 
×
81
＝
6723

(7)

82
×
 
＝
7216

(8)

69
×
 
＝
2208

(9)

67
×
 
＝
5293

(10)

14
×
 
＝
1064

(11)

47
×
 
＝
1410

(12)

67
×
 
＝
3283

(13)

45
×
 
＝
4275

(14)

84
×
 
＝
3024

(15)

 
×
68
＝
2380

(16)

 
×
67
＝
4690