2桁同士の乗算

(1)

 
×
77
＝
5852

(2)

 
×
63
＝
882

(3)

17
×
 
＝
1258

(4)

44
×
 
＝
2904

(5)

17
×
 
＝
1105

(6)

49
×
 
＝
3528

(7)

 
×
88
＝
8360

(8)

26
×
 
＝
2444

(9)

 
×
69
＝
2760

(10)

40
×
 
＝
680

(11)

 
×
60
＝
1860

(12)

38
×
 
＝
2280

(13)

 
×
40
＝
3080

(14)

21
×
 
＝
483

(15)

25
×
 
＝
2025

(16)

90
×
 
＝
3240