你為什么認(rèn)為數(shù)學(xué)書有那樣的數(shù)學(xué)題呢？

　　Why do you think that math books have so math problems?

　　艾米把數(shù)學(xué)書落在家了。

　　Amy had left her math book at home.

　　我正找我的數(shù)學(xué)書，我找不到了。

　　I am reading a very interesting book, which is about mathematics.

　　英語(yǔ)書，語(yǔ)文書，數(shù)學(xué)書

　　English book, Chinese book, math book

　　昨天查了數(shù)學(xué)書：截距一定是正的，它是某一軸上坐標(biāo)的絕對(duì)值。

　　Distance: The length or numerical value of a straight line or curve.