简介: 1、如果零上5℃记作+5℃,那么零下5℃记作∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠( ) A、-5 B-5℃ C、+5 D+5℃ 2、下列各对数中,是互为相反数的是∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠( ) A、3和 -2 B、 0 和-1.5 C、-3和 3 D、4和-5 3、绝对值等于5的数是 ∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠∠( ) A 5 B -5...