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3 cijfers X 3 cijfers met hulp [1]

3 cijfers X 3 cijfers met hulp [1]

 
7 3 4
5 5 0 ×
0 × 4 = 0
0 × 30 = 0
0 × 700 = 0
50 × 4 = 2 0 0
50 × 30 = 1 5 0 0
50 × 700 = 3 5 0 0 0
500 × 4 =
2000
500 × 30 =
15000
500 × 700 =
+ 350000
403700