先化简(1十2/p一2)÷p²一p/p²一4,再求值(其中p是满足一3
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先化简(1十2/p一2)÷p²一p/p²一4,再求值(其中p是满足一3
先化简(1十2/p一2)÷p²一p/p²一4,再求值(其中p是满足一3
先化简(1十2/p一2)÷p²一p/p²一4,再求值(其中p是满足一3
(1十2/p一2)÷p²一p/p²一4
=((p-2十2)/p一2) *(p²一4)/(p²一p)
=p/(p一2) *(p一2)(p+2)/p(p一1)
=(p+2)/(p-1)
p是满足一3
[1+﹙2/p-2﹚]÷[(p²-p)/(p²-4)]
=(p/p-2﹚÷[p(p-1)/(p²-4)]
=(p/p-2﹚÷[p(p-1)/(p+2)(p-2)]
=(p/p-2﹚÷[p(p-1)/(p+2)(p-2)]
=(p+2)/(p-1)
p是满足-3<p<3的整数,且p≠2 -2 1, 0
所以p=-1,<...
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[1+﹙2/p-2﹚]÷[(p²-p)/(p²-4)]
=(p/p-2﹚÷[p(p-1)/(p²-4)]
=(p/p-2﹚÷[p(p-1)/(p+2)(p-2)]
=(p/p-2﹚÷[p(p-1)/(p+2)(p-2)]
=(p+2)/(p-1)
p是满足-3<p<3的整数,且p≠2 -2 1, 0
所以p=-1,
[1+﹙2/p-2﹚]÷(p²-p)/(p²-4)=(p+2)/(p-1)=-1/2
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