Eim*_*tas 6 floating-point floating-accuracy boolean-expression
可能重复: JavaScript的数学是否被破坏?
为什么在某些编程语言中,title中的表达式求值为true?我在php,ruby和python中尝试过它.
ism*_*ail 18
请阅读What Every Programmer Should Know About Floating-Point Arithmetic.
What Every Programmer Should Know About Floating-Point Arithmetic
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