例句與造句

1. No square root can be taken of a negative number within the system of real numbers, because squares of all real numbers are non-negative.
2. :So, depending primarily on which grade you are in, your teacher may have wanted you to come to the conclusion that there is no square root for-1 in the system of real numbers, or that the complex number i is its square root .-- talk ) 19 : 11, 15 January 2007 ( UTC)
3. Numeral systems are sometimes called " number systems ", but that name is ambiguous, as it could refer to different systems of numbers, such as the system of real numbers, the system of complex numbers, the system of " p "-adic numbers, etc . Such systems are, however, not the topic of this article.
4. It's difficult to find system of real numbers in a sentence. 用system of real numbers造句挺難的