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solve a*10^4+b*10^3+c*10^2+d*10+e=10, a*30^4+b*30^3+c*30^2+d*30+e=0, a*4*10^3+b*3*10^2+c*2*10+d=1,726000*a+30000*b+1300*c+60*d+3*e=30
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