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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
Did you know?
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.