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3 votes
Plz help on number 7

Plz help on number 7-example-1
User Stevens
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2 Answers

6 votes
Because 10 times 10 is 100
User Samuel Calderon
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6 votes
because in each case, the selected column composes one-tenth of the grid in total. The number of blocks is different, but the proportion of space filled is the same.
User Lesque
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