3桁と1桁の乗算

(1)

423
×
846

(2)

×
3
618

(3)

945
×
1890

(4)

885
×
2655

(5)

22
×
88

(6)

775
×
3875

(7)

438
×
1314

(8)

×
0
0

(9)

810
×
810

(10)

661
×
3966

(11)

759
×
2277

(12)

505
×
2525

(13)

×
1
180

(14)

693
×
0

(15)

56
×
56

(16)

369
×
2583