在数学中进行加减乘除等运算(计算)时,由人们共同制定的,且默认的计算次序。
... Fossils 化石 The Order of Operations 运算顺序 What Changes the Earth’s Surface? 什么使地表形态发生变化? ...
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使用括号来明确运算顺序。
表达式中可能使用括号来指明运算顺序,这和数学当中是一样的。
Parentheses may be used in an expression to indicate the order of operations, in the same way they are used in mathematics.
当你在组合这些操作的时候,矩阵的运算顺序是不可交换的,不同相乘顺序会导致不同的变换效果,这点很重要。
When you combine these operations, the results are not commutative - the order in which you multiply matrices is important.
Just as in grade school when you're doing division and multiplication, you do it from left to right in terms of order of operations.
正像是在小学你做除法和乘法的时候,你毫不含糊地从左到右,按顺序做运算。
STUDENT: Standard order of operations, I guess take the multiplication first, and add the three.
学生:标准运算符的顺序,我猜是先做乘法,然后再去加3。
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