2桁同士の乗算

(1)

48
×
 
＝
1392

(2)

 
×
77
＝
5852

(3)

 
×
79
＝
4187

(4)

 
×
49
＝
2597

(5)

83
×
 
＝
4233

(6)

25
×
 
＝
1800

(7)

72
×
 
＝
1008

(8)

 
×
27
＝
1944

(9)

 
×
65
＝
5655

(10)

25
×
 
＝
550

(11)

 
×
85
＝
7395

(12)

16
×
 
＝
1584

(13)

 
×
59
＝
708

(14)

 
×
76
＝
5396

(15)

 
×
10
＝
400

(16)

 
×
79
＝
6952