3桁と1桁の乗算

(1)

 
×
9
＝
3420

(2)

 
×
2
＝
210

(3)

813
×
 
＝
2439

(4)

979
×
 
＝
979

(5)

 
×
9
＝
3690

(6)

718
×
 
＝
5744

(7)

 
×
8
＝
5768

(8)

 
×
1
＝
557

(9)

 
×
5
＝
3805

(10)

 
×
4
＝
3096

(11)

 
×
5
＝
1325

(12)

 
×
6
＝
2970

(13)

301
×
 
＝
0

(14)

 
×
7
＝
4837

(15)

 
×
4
＝
2284

(16)

 
×
5
＝
50