Terug

3 cijfers X 2 cijfers met hulp [1]

3 cijfers X 2 cijfers met hulp [1]

 
2 9 7
2 6 ×
6 × 7 = 4 2
6 × 90 = 5 4 0
6 × 200 = 1 2 0 0
20 × 7 =
140
20 × 90 =
1800
20 × 200 =
4000
7722