2桁同士の乗算

(1)

74
×
 
＝
2220

(2)

13
×
 
＝
273

(3)

 
×
50
＝
1250

(4)

50
×
 
＝
2800

(5)

97
×
 
＝
8439

(6)

 
×
77
＝
2541

(7)

33
×
 
＝
2442

(8)

 
×
76
＝
6080

(9)

54
×
 
＝
5346

(10)

22
×
 
＝
1826

(11)

 
×
67
＝
938

(12)

85
×
 
＝
7225

(13)

 
×
20
＝
1300

(14)

86
×
 
＝
6536

(15)

 
×
61
＝
5551

(16)

60
×
 
＝
3600