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