初一数学试卷七年级数学(上)——有理数填空。(每小题2分,共24分)1,-[-(+3)]的相反数是 。2,( )+(-3.2)=33,在+(+2)与-(-2),+(-2)与-(+2) +(+2)与+(-2),+(+2)与-(+2) 。+(-2)与-(-2),-(