2桁同士の乗算

(1)

82
×
 
＝
2706

(2)

77
×
 
＝
2926

(3)

 
×
10
＝
180

(4)

 
×
35
＝
1785

(5)

49
×
 
＝
588

(6)

14
×
 
＝
1190

(7)

 
×
78
＝
7020

(8)

71
×
 
＝
6745

(9)

 
×
16
＝
1504

(10)

85
×
 
＝
6970

(11)

 
×
53
＝
2385

(12)

27
×
 
＝
1998

(13)

40
×
 
＝
3080

(14)

68
×
 
＝
4352

(15)

 
×
63
＝
3654

(16)

15
×
 
＝
480