当前位置:初中试题 > 数学试题 > 整式的相关概念 > (5分)计算:....
题目
题型:解答题难度:简单来源:不详
(5分)计算:
答案
解:原式=1-2+3··································································· 3分
=-1+3··························································································· 5分
解析

核心考点
试题【(5分)计算:.】;主要考察你对整式的相关概念等知识点的理解。[详细]
举一反三
(本题5分)计算:|-2|-(3-π)0+2 .
题型:解答题难度:简单| 查看答案
在①2的平方根是;②2的平方根是±;③2的立方根是;④2的立方
根是±中,正确的结论有(   ▲  )个
A.1个B.2个C.3个D.4个

题型:单选题难度:简单| 查看答案
(8分)计算:
题型:解答题难度:一般| 查看答案
(6分)计算:-(cos30°-1) 0-82×0.1252
题型:解答题难度:一般| 查看答案
计算21+()0的结果是  ▲ 
题型:填空题难度:简单| 查看答案
版权所有 CopyRight © 2012-2019 超级试练试题库 All Rights Reserved.