math and applied math : metallurgy > equality
Contents
děng shì
  With an equal sign (=) association of two number, two numbers and a type or a type that into the formula
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No. 2
  Mathematical terms. That two quantities or two expressions of the same relationship with the equal sign (=) links the formula. If x = 2,3 × 2 = 3 +3, y +1 = 5, and so on.
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No. 3
  表示相等关系的式子叫做等式
  等式的性质有三:
  性质1:等式两边同时加上相等的数或式子,两边依然相等。
   若a=b
   那么有a+c=b+c
  性质2:等式两边同时乘(或除)相等的非零的数或式子,两边依然相等
   若a=b
   那么有a·c=b·c
   或a÷c=b÷c (a,b≠0 或 a=b ,c≠0)
  性质3:等式两边同时乘方(或开方),两边依然相等
   若a=b
   那么有a^c=b^c
   或(c次根号a)=(c次根号b)
English Expression
  1. n.:  equality,  equation
Related Phrases
equationalgebramathWikipedia Daquan
Containing Phrases
inequalitiesidentity