计算:2又1/3+[6又3/5+(-2又1/3)+(-5又2/5)]+(-5.6)
答案:3 悬赏:60 手机版
解决时间 2021-02-08 21:16
- 提问者网友:眉目添风霜
- 2021-02-08 10:36
计算:2又1/3+[6又3/5+(-2又1/3)+(-5又2/5)]+(-5.6)
最佳答案
- 五星知识达人网友:骨子里都是戏
- 2021-02-08 11:34
2又1/3+[6又3/5+(-2又1/3)+(-5又2/5)]+(-5.6)
=6又3/5)-5又2/5-5.6
=6.6-5.4-5.6
=6.6-11
=4.4
=6又3/5)-5又2/5-5.6
=6.6-5.4-5.6
=6.6-11
=4.4
全部回答
- 1楼网友:枭雄戏美人
- 2021-02-08 14:12
2又1/3+[6又3/5+(-2又1/3)+(-5又2/5)]+(-5.6)
=7/3+(33/5-7/3-27/5-5.6)
=7/3+(99/15-35/15-81/15-5.6)
=35/15+((-17/15)-5.6)
=35/15+(-9)
=35/15-135/15
=-100/15
=-20/3
=7/3+(33/5-7/3-27/5-5.6)
=7/3+(99/15-35/15-81/15-5.6)
=35/15+((-17/15)-5.6)
=35/15+(-9)
=35/15-135/15
=-100/15
=-20/3
- 2楼网友:行雁书
- 2021-02-08 13:04
解:
2又1/3+[6又3/5+(-2又1/3)+(-5又2/5)]+(-5.6)
=6+3/5-5-2/5-5-0.6
=6-5-5+3/5-2/5-3/5
=-4-2/5
=-4又2/5
2又1/3+[6又3/5+(-2又1/3)+(-5又2/5)]+(-5.6)
=6+3/5-5-2/5-5-0.6
=6-5-5+3/5-2/5-3/5
=-4-2/5
=-4又2/5
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