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3 cijfers X 2 cijfers met hulp [2]

3 cijfers X 2 cijfers met hulp [2]

 
3 8 3
4 6 ×
6 × 3 =
18
6 × 80 =
480
6 × 300 =
1800
40 × 3 =
120
40 × 80 =
3200
40 × 300 =
+ 12000
17618