(-2)^2001+(-2)^2002=(-2)^2001*(1+(-2))=-1*(-2)^2001
因为(-2)^2001是负数,因此原式=2^2001
既2的2001次方.
-2的2001次方加上-2的2002次方
-2的2001次方加上-2的2002次方
等于多少?我算了得-2,
等于多少?我算了得-2,
其他人气:855 ℃时间:2020-01-28 00:58:20
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