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3 cijfers X 3 cijfers met hulp [2]

3 cijfers X 3 cijfers met hulp [2]

 
5 6 5
4 4 9 ×
9 × 5 = 4 5
9 × 60 = 5 4 0
9 × 500 = 4 5 0 0
40 × 5 =
200
40 × 60 =
2400
40 × 500 =
20000
400 × 5 =
2000
400 × 60 =
24000
400 × 500 =
+ 200000
253685