1.31+ (-7.4) +2.9+ (-0.6)-0.31;怎么做
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解决时间 2021-02-09 18:03
- 提问者网友:送舟行
- 2021-02-09 06:25
1.31+ (-7.4) +2.9+ (-0.6)-0.31;怎么做
最佳答案
- 五星知识达人网友:平生事
- 2021-02-09 06:56
1.31+ (-7.4) +2.9+ (-0.6)-0.31
=(1.31-0.31)-(7.4+0.6)+2.9
=1-10+2.9
=-6.1
希望能帮到你!
=(1.31-0.31)-(7.4+0.6)+2.9
=1-10+2.9
=-6.1
希望能帮到你!
全部回答
- 1楼网友:举杯邀酒敬孤独
- 2021-02-09 08:59
- 2楼网友:旧脸谱
- 2021-02-09 08:19
1.31+ (-7.4) +2.9+ (-0.6)-0.31
=(1.31-0.31)+2.9-(7.4+0.6)
=1+2.9-8
=3.9-8
=-4.1
=(1.31-0.31)+2.9-(7.4+0.6)
=1+2.9-8
=3.9-8
=-4.1
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