正如您所猜测的，算术运算是基本的数学操作：加法、减法、乘法和除法。
As you might guess, Arithmetic operations are the fundamental math operations: addition, subtraction, multiplication, and division.
种族进化史研究表明，动物具备算术能力，它们运用数量感来表征可数与不可数的数量，并以此为基础进行加法、减法、乘法和除法运算。
It means they can represent countable and uncountable quantity with mental magnitude. They can perform addition, subtraction, multiplication and division.
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