10 x 320 =
600 x 800 =
20 x 300 =
900 x 30 =
3 x 20 =
4 x 70 =
17 x 2000 =
8 x 700 =
5 x 500 =
240 x 20 =
34000
2500
27000
280
480000
6000
4800
5600
60
3200
