问题
选择题
下列各对数,+(-2)与-2,+(+2)与+2,-(-2)与+(-2),-(+2)与+(-2),-(+2)与+(+2),+2与-2,-|-2|与-2中,互为相反数的有[ ]
A.3对
B.4对
C.5对
D.6对
答案
答案:A
下列各对数,+(-2)与-2,+(+2)与+2,-(-2)与+(-2),-(+2)与+(-2),-(+2)与+(+2),+2与-2,-|-2|与-2中,互为相反数的有[ ]
A.3对
B.4对
C.5对
D.6对
答案:A