72 books
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In 1978 zip or postcodes were introduced in the Netherlands; they consist of four numbers followed by a space and then to capital letters and are replaced before the name of the town... they referred to the city block in a given street in which the house occurs and thus the Dutch postal code book is the size of a telephone book.
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― Dutch: A Comprehensive Grammar
― Dutch: A Comprehensive Grammar
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Any student executes tens of elementary calculations daily. Over a lifetime, we
must solve more than ten thousand multiplication problems. And yet, our arithmetic memory is at best mediocre. It takes a well-trained young adult considerable time, often more than 1 second, to solve a multiplication such as 3 × 7. Error rates average 10 to 15 percent. On the most difficult problems, such as 8 × 7 or 7 × 9, failure occurs at least once in every four attempts, often following more than 2 seconds of i
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― The Number Sense: How the Mind Creates Mathematics
― The Number Sense: How the Mind Creates Mathematics
