2桁同士の乗算

(1)

 
×
43
＝
2580

(2)

63
×
 
＝
2331

(3)

23
×
 
＝
1564

(4)

 
×
85
＝
1105

(5)

86
×
 
＝
5762

(6)

11
×
 
＝
561

(7)

 
×
64
＝
832

(8)

29
×
 
＝
2262

(9)

40
×
 
＝
3280

(10)

17
×
 
＝
1190

(11)

 
×
90
＝
3870

(12)

30
×
 
＝
2280

(13)

 
×
23
＝
345

(14)

 
×
42
＝
2394

(15)

 
×
65
＝
1430

(16)

 
×
99
＝
6138