(-3.635)-(-2.635)+(+1.456)+(-3.456)= 13-[26-(-22)+(-17)]= 3-7+11-15+19-23+27-31+35-39=(-3.635)-(-2.635)+(+1.456)+(-3.456)= 13-[26-(-22)+(-17)]= 3-7+11-15+19-23+27-31+35-39=各等于多少。

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/30 12:53:24

(-3.635)-(-2.635)+(+1.456)+(-3.456)= 13-[26-(-22)+(-17)]= 3-7+11-15+19-23+27-31+35-39=(-3.635)-(-2.635)+(+1.456)+(-3.456)= 13-[26-(-22)+(-17)]= 3-7+11-15+19-23+27-31+35-39=各等于多少。
(-3.635)-(-2.635)+(+1.456)+(-3.456)= 13-[26-(-22)+(-17)]= 3-7+11-15+19-23+27-31+35-39=
(-3.635)-(-2.635)+(+1.456)+(-3.456)=
13-[26-(-22)+(-17)]=
3-7+11-15+19-23+27-31+35-39=
各等于多少。

(-3.635)-(-2.635)+(+1.456)+(-3.456)= 13-[26-(-22)+(-17)]= 3-7+11-15+19-23+27-31+35-39=(-3.635)-(-2.635)+(+1.456)+(-3.456)= 13-[26-(-22)+(-17)]= 3-7+11-15+19-23+27-31+35-39=各等于多少。
1、=(-3.635)+2.635+1.456-3.456
=-1+(1.456-3.456)
=-1+(-2)
=-3
2、13-[26-(-22)+(-17)]
=13-26+(-22)-(-17)
=13-26-22+17
=13+17-(26+22)
=30-48
=-18
3、=(3-23)+(11+19)+(35-15)+(27-7)-(31+39)
=-20+30+20+20-70
=-20

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(-3.635)-(-2.635)+(+1.456)+(-3.456)
=( -1)+(+1.456)+(-3.456)
=0.456+(-3.456)
=-3
13-[26-(-22)+(-17)]
=13-[48+(-17)]
=13-31
=-18
3-7+11-15+19-23+27-31+35-39
=-4+11-...

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(-3.635)-(-2.635)+(+1.456)+(-3.456)
=( -1)+(+1.456)+(-3.456)
=0.456+(-3.456)
=-3
13-[26-(-22)+(-17)]
=13-[48+(-17)]
=13-31
=-18
3-7+11-15+19-23+27-31+35-39
=-4+11-15+19-23+27-31+35-39
=7-15+19-23+27-31+35-39
=-8+19-23+27-31+35-39
=11-23+27-31+35-39
=-12+27-31+35-39
= -20

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