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3 cijfers X 3 cijfers met hulp [1]

3 cijfers X 3 cijfers met hulp [1]

 
3 2 0
3 6 0 ×
0 × 0 = 0
0 × 20 = 0
0 × 300 = 0
60 × 0 = 0
60 × 20 = 1 2 0 0
60 × 300 = 1 8 0 0 0
300 × 0 =
0
300 × 20 =
6000
300 × 300 =
+ 90000
115200