3桁と1桁の乗算

(1)

205
×
 
＝
1230

(2)

243
×
 
＝
729

(3)

978
×
 
＝
6846

(4)

630
×
 
＝
0

(5)

307
×
 
＝
0

(6)

 
×
1
＝
123

(7)

210
×
 
＝
420

(8)

29
×
 
＝
116

(9)

408
×
 
＝
408

(10)

487
×
 
＝
3896

(11)

 
×
5
＝
4740

(12)

801
×
 
＝
7209

(13)

671
×
 
＝
6039

(14)

 
×
7
＝
4130

(15)

 
×
6
＝
2820

(16)

822
×
 
＝
1644