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3 cijfers X 3 cijfers met hulp [3]

3 cijfers X 3 cijfers met hulp [3]

 
2 6 5
3 7 8 ×
8 × 5 =
40
8 × 60 =
480
8 × 200 =
1600
70 × 5 =
350
70 × 60 =
4200
70 × 200 =
14000
300 × 5 =
1500
300 × 60 =
18000
300 × 200 =
+ 60000
100170