-(+0.25)+3又1/5-(+3/4)+(-11/5)=
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-(+0.25)+3又1/5-(+3/4)+(-11/5)=-(+0.25)+3又1/5-(+3/4)+(-11/5)=-(+0.25)+3又1/5-(+3/4)+(-11/5)=原式=-1/4+16
-(+0.25)+3又1/5-(+3/4)+(-11/5)=
-(+0.25)+3又1/5-(+3/4)+(-11/5)=
-(+0.25)+3又1/5-(+3/4)+(-11/5)=
原式=-1/4+16/5-3/4-11/5
=(-1/4-3/4)+(16/5-11/5)
=-1+1
=0
7又1/5-0.5-8+2.8+1/2-5.6+6-4.4
=7.2-0.5-8+2.8+0.5-5.6+6-4.4
=(7.2+2.8)-8+(0.5-0.5)-(5.6+4.4)+6
=10-8+0-10+6
=6-8
=-2
-(+0.25)+3又1/5-(+3/4)+(-11/5)
=-0.25 +16/5-3/4-11/5
=-1 +1
=0
望采纳
原式=-0.25+3.2-0.75-2.2=0
|-0.25| - 【+(-5.75)】 + |0.1| - |-(+0.5)| 2.1又3/4 - 2又1/6 - 1.75 + 3又2/3 3.3又1/4 + (-2又3/5) + (-
(1又2/3+2又3/4+~+7又8/9+8又9/10)除以(3又1/3+5又2/4+7又3/5+~+15又7/9+17又8/10
-14又2/3-11又2/15-(-12又2/3)-14+(-11又2/15)(-4又1/8)-|-1+2+0.125|-|-3又1/3|-(-6又1/7)+(-5又1/7)又怎么做
-12又2/3-(-5又1/2)+(-3又1/3)-2又1/4-12又2/3-(-5又1/2)+(-3又1/3)-2又1/4
[1又1/3减(0.2+1/3)*4.5]+13又1/2简算12又3/4-2又2/5*3又3/4/2又1/26.3/(2.6+5又1/3*1又8/7)
-(-1又1/2)+(-1又1/4)+(+3又3/4)+(-0.25)-(+3.75)-4.5
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3又1/4+(-2又3/5)+5又3/4+(-8又2/5)要有过程
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(-2000又5/6)+(-1999又2/3)-(-4000又3/4)-(+1又1/2)
(2012又5/6)-2013又2/3+(-5又1/2)-(-4020又3/4)
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(-3又1/8)+(-2.16)+8又1/4+(-5又2/7)+3.125+(-3.84)+(-6又5/7)+(-0.25)
2又8分之5-(4又3分之1-3又8分之3)
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18又七分之5-(8又7分之5-1又4分之3)
0.75+(-2又3/4)+(+0.125)+(-12又5/7)+(-4又1/8)
-5又1/3+2又11/12-16又1/4-3又5/6