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3 cijfers X 3 cijfers met hulp [2]

3 cijfers X 3 cijfers met hulp [2]

 
3 5 0
3 8 3 ×
3 × 0 = 0
3 × 50 = 1 5 0
3 × 300 = 9 0 0
80 × 0 =
0
80 × 50 =
4000
80 × 300 =
24000
300 × 0 =
0
300 × 50 =
15000
300 × 300 =
+ 90000
134050