|a+1|+(b-2)²=0
|a+1|>=0,(b-2)²>=0
|a+1|=0,(b-2)²=0,
a=-1,b=2,
(a+b)^9+a^6
=(-1+2)^9+(-1)^6
=1+1
=2
|a+1|+(b-2)²=0,求(a+b)^9+a^6
|a+1|+(b-2)²=0,求(a+b)^9+a^6
數(shù)學(xué)人氣：344 ℃時(shí)間：2020-04-15 08:49:12
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