0.85-(-0.75)-(+2又3/4)+(-1.85)+(+3)
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0.85-(-0.75)-(+2又3/4)+(-1.85)+(+3)
0.85-(-0.75)-(+2又3/4)+(-1.85)+(+3)
0.85-(-0.75)-(+2又3/4)+(-1.85)+(+3)
0.85-(-0.75)-(+2又3/4)+(-1.85)+(+3)
=(0.85-1.85)+(0.75-2又3/4)+3
=-1-2+3
=0
(+17又3/4)-(6.25)-(-8又1/2)-(+0.75)-22又1/4
(+17又3/4)-(6.25)-(-8又1/2)-(+0.75)-22又1/4
0.75+(-2又3/4)+(+0.125)+(-12又5/7)+(-4又1/8)
【0.75-(2又1/3-1又1/9)/4】/【(1又1/2+2又2/3)/2又1/2-5/6】等于多少?
15又1/2-3又1/5-2又1/4=、2/15+1又7/9=、10又1/3-3又1/5=(简算)45又8/11-(30又2/5+8又3/11)=、2又1/4-1又3/16+0.75=(简算)
0.85-(-0.75)-(+2又3/4)+(-1.85)+(+3)
-3又3分之1-2又四分之一-(-2又三分之一)+(-4又四分之一) 怎么算
(-1000又2/3)+(-999又5/6)+2000又3/4+(-1又1/2)
-5又1/3+2又11/12-16又1/4-3又5/6
-1又1/3+2又1/2-3又1/3+4又1/2+.+190又1/2-191又1/3+192又1/2
(1又2/3+2又3/4+3又4/5+...97又98/99+98又99/100)/(3又1/3+5又2/4+7又3/5+.+195又97/99+197又99/100)
1又1/2+2又1/6+3又1/12+4又1/20+5又1/30+6又1/42+7又1/56+8又1/72+9又1/90+10又1/110
1又1/2+2又1/6+3又1/12+4又1/20+5又1/30+6又1/42+7又1/56+8又1/72+9又1/90+10又1/110
1又1/2001+2又2/2001+3又3/2001+4又4/2001+.+2000又2000/2001
[3-(1又4分之1+0.75)÷1又8分之3]÷2又7分之3 简便计算[3-(1又4分之1+0.75)÷1又8分之3]÷2又7分之3
(-32又1/3)-[5又1/4+(-3又1/7)]-([-5又1/4)+(-2又6/7)]
简便计算 0.75+(2又3/4)+(+0.125)+(-12又5/7)+(-4又1/8)0.75+(2又3/4)+(+0.125)+(-12又5/7)+(-4又1/8)
0.75+(-2又3/4)