2016年河北省中考数学试题及答案
2016年河北省中考数学试卷 一、(本大题共16小题,共42分,1-10小题各3分,11-16小题各2分。在每小题给出的四个选项中,只有一项是符合题目要求的)1.计算:﹣(﹣1)=( )A.±1B.﹣2C.﹣1D.12.计算正确的是( )A.(﹣5)0=0B.x2+x3=x5C.(ab2)3=a2b5D.2a2•a1﹣=2a3.下列图形中,既是轴对称图形又是中心对称图形的是( )A.B.C.D.4.下列运算结果为x1﹣的是( )A.1﹣B.•C.÷D.5.若k≠0,b<0,则y=kx+b的图象可能是( )A.B.C.D.6.关于▱ABCD的叙述,正确的是( )A.若AB⊥BC,则▱...
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