2017年中考一模初中各科答案及解析一览

数学部分

一、选择题

1. 题目：若( a > b )，则下列选项中正确的是（ ）

   • 答案：A
   • 解析：因为( a > b )，所以( a - b > 0 )，故选A。

2. 题目：( x^2 + 2x + 1 )的因式分解为（ ）

   • 答案：( (x + 1)^2 )
   • 解析：通过完全平方公式( (a + b)^2 = a^2 + 2ab + b^2 )，可知答案为( (x + 1)^2 )。

二、填空题

1. 题目：( 3x - 2 )的解为( x = ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________