arithmetic (arithmetical) [i qr7'mqtik ]    (¼øÀ§: 4353 - °í2 ¼öÁØ)  
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Mean The mathematics of integers, rational numbers, real numbers, or complex numbers under addition, subtraction, multiplication, and division.
ÆÄ»ý¾î arithmetically  [ºÎ]
¿¹¹® 1. mental arithmetic (¾Ï»ê)
2. decimal arithmetic (½ÊÁø »ê¼ö¹ý)
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