Yesterday,the reading on Granny's eletricity meter was 098657.She was shocked to realise that all six of these digits are different.How many more units of eletricity will she use before the next time all

Yesterday,the reading on Granny's eletricity meter was 098657.She was shocked to realise that all six of these digits are different.How many more units of eletricity will she use before the next time all digits are different?

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Yesterday,the reading on Granny's eletricity meter was 098657.She was shocked to realise that all six of these digits are different.How many more units of eletricity will s…

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