The figure is accurate to two decimal places.
这个数精确到小数点后两位。
The number is correct to three decimal places.
这个数目精确到小数点后三位数。
A pocket calculator only works to eight decimal places.
袖珍计算器只计算到小数点后8位。
That is to say, guess the answer ahead of time, strip all the decimal places off.
这就是说,提前猜测答案,在解答时注意进位。
If I go back to that code from a moment ago, and I just rerun math3, notice how many places printed after the decimal point -- two?
如果刚才我回到那段代码中去,我们回到math3,请注意在小数点后面,会打印几位数呢--两位?
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