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3 cijfers X 3 cijfers met hulp [3]

3 cijfers X 3 cijfers met hulp [3]

 
3 6 4
2 2 6 ×
6 × 4 =
24
6 × 60 =
360
6 × 300 =
1800
20 × 4 =
80
20 × 60 =
1200
20 × 300 =
6000
200 × 4 =
800
200 × 60 =
12000
200 × 300 =
+ 60000
82264