作业帮小学奥数题（计算题一道）已知1/2*{1/3*[1/4*(1/5x-1)-2]-3}-4=1996.25除x的商减去9的差的1%是______.
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![小学奥数题（计算题一道）已知1/2*{1/3*[1/4*(1/5x-1)-2]-3}-4=1996.25除x的商减去9的差的1%是______.](/uploads/image/z/752880-48-0.jpg?t=%E5%B0%8F%E5%AD%A6%E5%A5%A5%E6%95%B0%E9%A2%98%EF%BC%88%E8%AE%A1%E7%AE%97%E9%A2%98%E4%B8%80%E9%81%93%EF%BC%89%E5%B7%B2%E7%9F%A51%2F2%2A%7B1%2F3%2A%5B1%2F4%2A%281%2F5x-1%29-2%5D-3%7D-4%3D1996.25%E9%99%A4x%E7%9A%84%E5%95%86%E5%87%8F%E5%8E%BB9%E7%9A%84%E5%B7%AE%E7%9A%841%25%E6%98%AF______.)
小学奥数题（计算题一道）已知1/2*{1/3*[1/4*(1/5x-1)-2]-3}-4=1996.25除x的商减去9的差的1%是______.
小学奥数题（计算题一道）
已知1/2*{1/3*[1/4*(1/5x-1)-2]-3}-4=1996.25除x的商减去9的差的1%是______.
小学奥数题（计算题一道）已知1/2*{1/3*[1/4*(1/5x-1)-2]-3}-4=1996.25除x的商减去9的差的1%是______.
1/2*{1/3*[1/4*(1/5x-1)-2]-3}-4=1996
1/2*{1/3*[1/4*(1/5x-1)-2]-3}=2000
x/120-3/2-1/3-1/24=2000
x/120-15/8=2000
x=2000*120+15*15
x=40*25*240+9*25
x=(40*240+9)*25
(x/25-9)*1%=[(40*240+9)*25/25-9]*0.01
=40*240*0.01
=4*24
=96
1/2*{1/3*[1/4*(1/5x-1)-2]-3}-4=1996
1/2*{1/3*[1/4*(1/5x-1)-2]-3}=1996+4=2000
1/3*[1/4*(1/5x-1)-2]-3=2000X2=4000
1/3*[1/4*(1/5x-1)-2]=4000+3=4003
1/4*(1/5x-1)-22=4003X3=12009
1/4*(1...
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1/2*{1/3*[1/4*(1/5x-1)-2]-3}-4=1996
1/2*{1/3*[1/4*(1/5x-1)-2]-3}=1996+4=2000
1/3*[1/4*(1/5x-1)-2]-3=2000X2=4000
1/3*[1/4*(1/5x-1)-2]=4000+3=4003
1/4*(1/5x-1)-22=4003X3=12009
1/4*(1/5x-1)=12009+22=12031
1/5x-1=12031X4=48124
1/5x=48124+1=48125
x=48125X5=240625
25除x的商减去9的差的1%
=(x/25-9)X1%
=x/2500-9%
收起
先算出X再求(25/x-9)*1%