2桁同士の乗算

(1)

17
×
 
＝
918

(2)

 
×
43
＝
3053

(3)

 
×
22
＝
990

(4)

 
×
32
＝
992

(5)

 
×
15
＝
705

(6)

46
×
 
＝
3680

(7)

 
×
49
＝
539

(8)

 
×
68
＝
884

(9)

 
×
32
＝
2432

(10)

36
×
 
＝
3564

(11)

 
×
18
＝
864

(12)

 
×
53
＝
4293

(13)

 
×
12
＝
252

(14)

 
×
47
＝
2632

(15)

98
×
 
＝
6272

(16)

 
×
31
＝
1178