下列各组中互为相反数的是( )A.+(-5)与-5B.-(+5)与-5C.-(-5)与+(-5)D.-(+5)与-|-5|
题型:单选题难度:一般来源:不详
下列各组中互为相反数的是( )A.+(-5)与-5 | B.-(+5)与-5 | C.-(-5)与+(-5) | D.-(+5)与-|-5| |
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答案
A、+(-5)=-5,选项错误; B、-(+5)=-5,选项错误; C、-(-5)=5,+(-5)=-5,5与-5互为相反数,选项正确; D、-(+5)=-5,-|-5|=-5,选项错误. 故选C. |
举一反三
若有理数a与b(b≠0)互为相反数,则=______. |
下列各组数中,相等的一组是( )A.23和32 | B.(-2)2和-22 | C.-(+3)和|-3| | D.-23和(-2)3 |
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-3的倒数是______,-3的相反数是______,-3的绝对值是______. |
-的倒数是______.-的绝对值是______.|-3|的相反数是______. |
已知|a+3|+|b-1|=0,则a+b的相反数是( ) |
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