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3 cijfers X 3 cijfers met hulp [2]

3 cijfers X 3 cijfers met hulp [2]

 
1 1 3
1 6 7 ×
7 × 3 = 2 1
7 × 10 = 7 0
7 × 100 = 7 0 0
60 × 3 =
180
60 × 10 =
600
60 × 100 =
6000
100 × 3 =
300
100 × 10 =
1000
100 × 100 =
+ 10000
18871