负18加12加负7加负21加6加35等于_其他解答

负18加12加负7加负21加6加35等于

人气：245 ℃　时间：2019-12-26 01:34:17

解答

-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
=8-18+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
=]-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