不定方程ax(x+1)…(x+r-1)=by(y+1)…(y+s-1)的正整数解
불정방정ax(x+1)…(x+r-1)=by(y+1)…(y+s-1)적정정수해
The positive integer solutions of Diophantine equation ax(x+1)…(x+r-1)=by(y+1)…(y+s-1)
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