Terug

3 cijfers X 2 cijfers met hulp [1]

3 cijfers X 2 cijfers met hulp [1]

 
1 1 1
1 7 ×
7 × 1 = 7
7 × 10 = 7 0
7 × 100 = 7 0 0
10 × 1 =
10
10 × 10 =
100
10 × 100 =
1000
1887