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3 cijfers X 3 cijfers met hulp [3]

3 cijfers X 3 cijfers met hulp [3]

 
2 5 3
1 3 0 ×
0 × 3 =
0
0 × 50 =
0
0 × 200 =
0
30 × 3 =
90
30 × 50 =
1500
30 × 200 =
6000
100 × 3 =
300
100 × 50 =
5000
100 × 200 =
+ 20000
32890