Terug

3 cijfers X 2 cijfers met hulp [2]

3 cijfers X 2 cijfers met hulp [2]

 
3 7 7
2 6 ×
6 × 7 =
42
6 × 70 =
420
6 × 300 =
1800
20 × 7 =
140
20 × 70 =
1400
20 × 300 =
+ 6000
9802