Terug

3 cijfers X 3 cijfers met hulp [3]

3 cijfers X 3 cijfers met hulp [3]

 
1 2 8
3 3 9 ×
9 × 8 =
72
9 × 20 =
180
9 × 100 =
900
30 × 8 =
240
30 × 20 =
600
30 × 100 =
3000
300 × 8 =
2400
300 × 20 =
6000
300 × 100 =
+ 30000
43392