| 单词 | square root |
| 释义 | square root (once / 25583 pages) n In math, a square root is one number that gives another specific number as a result when you multiply it by itself. In other words, five is the square root of 25 because five times five equals 25. When you learn about square roots in mathematics, you begin with simple problems like the square root of 49 or the square root of 64. These problems are relatively easy to solve, because the answers are whole numbers: seven and eight, respectively. Solving for square roots has been around nearly as long as math itself — there is evidence of calculations of square roots in ancient Egyptian and ancient Indian documents. WORD FAMILYsquare root: square roots USAGE EXAMPLESTo get that number, it took the square root of 26, then multiplied that by $1 billion. Seattle Times(Oct 29, 2016) Error bars are the standard deviation for the whole dataset divided by the square root of the number of genes analysed in a bin. Nature(Oct 18, 2016) The magician was inside, with Archimedes sitting on the back of his chair, busily trying to find the square root of minus one. T. H. White, The Once and Future King(1958) n a number that when multiplied by itself equals a given number Hyper root a number that, when multiplied by itself some number of times, equals a given number |
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