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3 cijfers X 3 cijfers met hulp [1]

3 cijfers X 3 cijfers met hulp [1]

 
3 4 6
3 5 4 ×
4 × 6 = 2 4
4 × 40 = 1 6 0
4 × 300 = 1 2 0 0
50 × 6 = 3 0 0
50 × 40 = 2 0 0 0
50 × 300 = 1 5 0 0 0
300 × 6 =
1800
300 × 40 =
12000
300 × 300 =
+ 90000
122484