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3 cijfers X 3 cijfers met hulp [1]

3 cijfers X 3 cijfers met hulp [1]

 
3 7 5
2 7 3 ×
3 × 5 = 1 5
3 × 70 = 2 1 0
3 × 300 = 9 0 0
70 × 5 = 3 5 0
70 × 70 = 4 9 0 0
70 × 300 = 2 1 0 0 0
200 × 5 =
1000
200 × 70 =
14000
200 × 300 =
+ 60000
102375