(100-5)/(100-10)=100/(100-x)
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(100-5)/(100-10)=100/(100-x)(100-5)/(100-10)=100/(100-x)(100-5)/(100-10)=100/(100-x)(100-5)/(100-10)
(100-5)/(100-10)=100/(100-x)
(100-5)/(100-10)=100/(100-x)
(100-5)/(100-10)=100/(100-x)
(100-5)/(100-10)=100/(100-x)
95(100-x)=9000
9500-95x=9000
-95x=-500
x=100/19
(100-5)/(100-10)=100/(100-x)
(100%-10%)*x+(100%+5%)*(100-x)=103.2 .
100-10+90×5=?
4000-5-10-15-...-95-100=?
100+95+90+.+15+10+5=
（x+10%）×5=100
100-10+1000=?
x+10=100
1/100+3/100+5/100+……95/100+97/100+99/100=?
40/100*x+(120/10-x)*50/100=7/5是120/100
=8.9*1/100/100*100*10=0.89公斤.
(100十X)×8％=100×10％
100+100*2%=x-10%x+（100-x）+（100-x）*5%上面的式子怎么算?
表达式(100>=300)&&(100!=100)//(50*5
10三次方×100×10+100×100×100-10000×10×10=
100*100+95*95-90*90-85*85+.+10*10-5*5=?
(100-x)*80=(100-5-x)*(80+20)-100
100+1/10(X-100)=200+1/10[X-(100+1/10(X-100) - 200]