几道数学题,
下列各数中互为相反数的是()
A.+(-5)和-5
B.-(+5)和+5
C.-(+5)和+(-5)
D.-(-5)和+(+5)
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填空
互为相反数的两个点,在数轴上位于原点的(),并且与原点的距离()
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