8-89-899-8999-89999
答案:2 悬赏:0 手机版
解决时间 2021-01-30 06:42
- 提问者网友:动次大次蹦擦擦
- 2021-01-29 08:54
8-89-899-8999-89999
最佳答案
- 五星知识达人网友:duile
- 2021-01-29 10:25
8-89-899-8999-89999
=8-(89+899+8999+89999)
=8-(90-1+900-1+9000-1+90000-1)
=8-(99999-4)
=8-(100000-1-4)
=8-100000+5
=-99987追答不好意思,忙中出错,这才是对的!
8-89-899-8999-89999
=8-(89+899+8999+89999)
=8-(90-1+900-1+9000-1+90000-1)
=8-(99990-4)
=8-99990+4
=12-99990
=-99978
=8-(89+899+8999+89999)
=8-(90-1+900-1+9000-1+90000-1)
=8-(99999-4)
=8-(100000-1-4)
=8-100000+5
=-99987追答不好意思,忙中出错,这才是对的!
8-89-899-8999-89999
=8-(89+899+8999+89999)
=8-(90-1+900-1+9000-1+90000-1)
=8-(99990-4)
=8-99990+4
=12-99990
=-99978
全部回答
- 1楼网友:鱼忧
- 2021-01-29 10:58
=8-90-900-9000-90000+4
=12-99990
=-99978
=12-99990
=-99978
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