2桁同士の乗算

(1)

 
×
95
＝
8265

(2)

 
×
30
＝
2190

(3)

18
×
 
＝
1728

(4)

25
×
 
＝
1700

(5)

74
×
 
＝
4070

(6)

 
×
25
＝
2175

(7)

 
×
17
＝
357

(8)

92
×
 
＝
1288

(9)

 
×
23
＝
1219

(10)

 
×
35
＝
2310

(11)

87
×
 
＝
2610

(12)

 
×
80
＝
3200

(13)

 
×
84
＝
6384

(14)

 
×
42
＝
1974

(15)

 
×
18
＝
540

(16)

 
×
40
＝
1640