Read Edit View history 交换律 jiāohuànlǜ commutative law Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 交换律/交換律 · jiāohuànlǜ · commutative law 2026/03/04 交换律 / 交換律 jiāohuànlǜ commutative law commutative law (math) 加法和乘法运算都满足交换律。 created sense Mar 4, 2026, 02:25 AM