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3 cijfers X 3 cijfers met hulp [2]

3 cijfers X 3 cijfers met hulp [2]

 
2 4 3
2 3 9 ×
9 × 3 = 2 7
9 × 40 = 3 6 0
9 × 200 = 1 8 0 0
30 × 3 =
90
30 × 40 =
1200
30 × 200 =
6000
200 × 3 =
600
200 × 40 =
8000
200 × 200 =
+ 40000
58077