Terug

3 cijfers X 3 cijfers met hulp [2]

3 cijfers X 3 cijfers met hulp [2]

 
2 8 5
2 2 6 ×
6 × 5 = 3 0
6 × 80 = 4 8 0
6 × 200 = 1 2 0 0
20 × 5 =
100
20 × 80 =
1600
20 × 200 =
4000
200 × 5 =
1000
200 × 80 =
16000
200 × 200 =
+ 40000
64410