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3 cijfers X 3 cijfers met hulp [2]

3 cijfers X 3 cijfers met hulp [2]

 
1 3 2
3 4 3 ×
3 × 2 = 6
3 × 30 = 9 0
3 × 100 = 3 0 0
40 × 2 =
80
40 × 30 =
1200
40 × 100 =
4000
300 × 2 =
600
300 × 30 =
9000
300 × 100 =
+ 30000
45276