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  • 計算題10題:(1)-8又3/4-5又7/9+4又1/6-3又2/9

    計算題10題:(1)-8又3/4-5又7/9+4又1/6-3又2/9
    (2)-5.75-[-3又3/4+(-5又1/8)]-3.125(3)(-1又1/2)-[(1又1/4)-(-2又1/2)-(-3又3/4)]-(-1又1/4)+4 (3)(-4又7/8)-(-5又1/2)+(-4又1/4)-(-3又1/8)(4)(-2013又5/6)-(-2012又2/3)-(-2011又3/4)-(+2010又1/2)(5)|-2又1/4|-(-3/4)+1-|1-1/2|(6)|-2又1/2|+(-3.7)+|-(+2.7)| - |-(7又1/2)| (7)|+2+5/13|-|-37/10|+(-18/13)+0.13 (8)|-9/41|-|-13/14|+|9/41-13/14| (9)|1/2001-1/2000|+|1/2002-1/2001|-|1/2002-1/2000| (10)1/2-[3/4-(1/4-5-1/2)]
    其他人氣:278 ℃時間:2019-10-24 09:06:30
    優(yōu)質(zhì)解答
    計算題10題:
    (1)-8又3/4-5又7/9+4又1/6-3又2/9
    =(-8又3/4+4又1/6)-(5又7/9+3又2/9)
    =-4又7/12-9
    =-13又7/12
    (2)-5.75-[-3又3/4+(-5又1/8)]-3.125
    =(-5.75+3又3/4)+(5又1/8-3.125)
    =-2+2
    =0
    (3)(-1又1/2)-[(1又1/4)-(-2又1/2)-(-3又3/4)]-(-1又1/4)+4
    =(-1又1/2-2又1/2)+(-1又1/4+1又1/4)+(-3又3/4+4)
    =-4+0+1/4
    =-3又3/4
    (3)(-4又7/8)-(-5又1/2)+(-4又1/4)-(-3又1/8)
    =(-4又7/8+3又1/8)-4又1/4+5又1/2
    =-1又3/4-4又1/4+5又1/2
    =-6+5又1/2
    =-1/2
    (4)(-2013又5/6)-(-2012又2/3)-(-2011又3/4)-(+2010又1/2)
    =(-2013+2012+2011-2010)+(-5/6+2/3+3/4-1/2)
    =0+1/12
    =1/12
    (5)|-2又1/4|-(-3/4)+1-|1-1/2|
    =2又1/4+3/4+1-1/2
    =3+1-1/2
    =3又1/2
    (6)|-2又1/2|+(-3.7)+|-(+2.7)| - |-(7又1/2)|
    =(2又1/2-7又1/2)+(-3.7-2.7)
    =-5-6
    =-11
    (7)|+2+5/13|-|-37/10|+(-18/13)+0.13
    =(2又5/13-18/13)+(-37/10+0.13)
    =1-3.57
    =-4.57
    (8)|-9/41|-|-13/14|+|9/41-13/14|
    =(9/41-9/41)+(-13/14+13/14)
    =0+0
    =0
    (9)|1/2001-1/2000|+|1/2002-1/2001|-|1/2002-1/2000|
    =1/2000-1/2001+1/2001-1/2002-1/2000+1/2002
    =0
    (10)1/2-[3/4-(1/4-5-1/2)]
    =1/2-[3/4-5又1/4]
    =1/2-4又1/2
    =-4
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