即m+n=0
pq=1
a=±2
所以原式=0/2012a-2013×1+1/2×(±1)
=-2013±1
=-2014或-2012
已知m.n互为相反数,p.q互为倒数,a的绝对值是2,求代数式m+n/2012a-2013pq+1/2a
已知m.n互为相反数,p.q互为倒数,a的绝对值是2,求代数式m+n/2012a-2013pq+1/2a
数学人气:446 ℃时间:2019-09-22 03:25:27
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