Terug

3 cijfers X 3 cijfers met hulp [2]

3 cijfers X 3 cijfers met hulp [2]

 
3 1 2
4 3 7 ×
7 × 2 = 1 4
7 × 10 = 7 0
7 × 300 = 2 1 0 0
30 × 2 =
60
30 × 10 =
300
30 × 300 =
9000
400 × 2 =
800
400 × 10 =
4000
400 × 300 =
+ 120000
136344