交换律

交換律
jiāohuànlǜ
commutative law xy = yx (math)

CEDICT

math

Entry Composition

1 交换 jiāohuàn
  1. to exchange
  2. to swap
  3. to switch (telecom)
  4. commutative (math)
  5. to commute
2 律 lǜ law