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3 cijfers X 2 cijfers met hulp [2]

3 cijfers X 2 cijfers met hulp [2]

 
1 3 3
1 6 ×
6 × 3 =
18
6 × 30 =
180
6 × 100 =
600
10 × 3 =
30
10 × 30 =
300
10 × 100 =
+ 1000
2128