(1)0.65+(-1.9)+(-0.1)+(-0.65) (2)(-5.4)+0.2+(-0.6)+0.8 (3)0.65+(-1.9)+(-0.1)+(-0.6
答案:4 悬赏:70 手机版
解决时间 2021-02-28 12:00
- 提问者网友:藍了天白赴美
- 2021-02-28 08:42
(1)0.65+(-1.9)+(-0.1)+(-0.65) (2)(-5.4)+0.2+(-0.6)+0.8 (3)0.65+(-1.9)+(-0.1)+(-0.6
最佳答案
- 五星知识达人网友:你可爱的野爹
- 2021-02-28 09:56
(1)0.65+(-1.9)+(-0.1)+(-0.65)
=-2
(2)(-5.4)+0.2+(-0.6)+0.8
=(-5.4)+(-0.6)+0.2+0.8
=-6+1
=-5
(3)0.65+(-1.9)+(-0.1)+(-0.6)
=0.65-2.6
=-1.95
(4)45+(-9)+(-91)+15
=45+15+(-9)+(-91)
=60-100
=-40
=-2
(2)(-5.4)+0.2+(-0.6)+0.8
=(-5.4)+(-0.6)+0.2+0.8
=-6+1
=-5
(3)0.65+(-1.9)+(-0.1)+(-0.6)
=0.65-2.6
=-1.95
(4)45+(-9)+(-91)+15
=45+15+(-9)+(-91)
=60-100
=-40
全部回答
- 1楼网友:往事埋风中
- 2021-02-28 12:12
(1) -2 (2) -5 (4) -40
- 2楼网友:行路难
- 2021-02-28 11:59
45-9-91+15=-40
- 3楼网友:撞了怀
- 2021-02-28 11:13
45-9-91+15=-40
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