小远77
幼苗
共回答了20个问题采纳率:85% 举报
-18+12+(-7)+(-21)+6+35
=-18+12-7-21+6+35
=-6-7-21+6+35
=-13-21+6+35
=-33+6+35
=-27+35
=8
1年前
追问
7
举报
小远77
-18+12+(-7)+(-21)+6+35
=-18+12-7-21+6+35
=-6-7-21+6+35
=-13-21+6+35
=-34+6+35
=-28+35
=]
举报
小远77
-18+12+(-7)+(-21)+6+35
=-18+12-7-21+6+35
=-6-7-21+6+35
=-13-21+6+35
=-34+6+35
=-28+35
=7