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3 cijfers X 2 cijfers met hulp [1]

3 cijfers X 2 cijfers met hulp [1]

 
7 5 3
4 8 ×
8 × 3 = 2 4
8 × 50 = 4 0 0
8 × 700 = 5 6 0 0
40 × 3 =
120
40 × 50 =
2000
40 × 700 =
28000
36144