2桁同士の乗算

(1)

50
×
 
＝
3950

(2)

 
×
53
＝
4134

(3)

 
×
85
＝
2975

(4)

 
×
77
＝
6776

(5)

63
×
 
＝
3402

(6)

19
×
 
＝
1748

(7)

18
×
 
＝
432

(8)

 
×
75
＝
1800

(9)

 
×
54
＝
594

(10)

 
×
65
＝
2665

(11)

 
×
88
＝
3696

(12)

92
×
 
＝
7176

(13)

34
×
 
＝
1258

(14)

53
×
 
＝
3445

(15)

 
×
75
＝
5625

(16)

 
×
72
＝
6048