multiplicative-expression(乘法表达式) additive-expression+multiplicative-expression(加法表达式+乘法表达式)
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在有些情况下,除法表达式可以用乘法表达是来重写。
Sometimes, such expressions can be rewritten by replacing the division by a multiplication.
And so, in fact, if I wanted the other version of it, in fact, if I do this right, 23 it's going to give me 23 because it does the multiplication first, if I wanted the other version of it, Python I need to tell it that, by using, excuse me, parentheses.
因此,实际上,如果我想换种做法,实际上,如果我去执行这个表达式,返回值是3,因为乘法会被优先执行,如果我需要换种做法,我需要告诉,用括号来告诉它。
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