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3 cijfers X 3 cijfers met hulp [2]

3 cijfers X 3 cijfers met hulp [2]

 
3 5 8
3 4 3 ×
3 × 8 = 2 4
3 × 50 = 1 5 0
3 × 300 = 9 0 0
40 × 8 =
320
40 × 50 =
2000
40 × 300 =
12000
300 × 8 =
2400
300 × 50 =
15000
300 × 300 =
+ 90000
122794