酌酒的意思:帮忙解个方程:1/(x+1)(x+2)+1/(x+2)(x+3)+......1/(x+2002)(x+2003)=(2x+4003)/(3x+6009)
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1/(x+1)-1/(x+2)+1/(x+2)-1/(x+3)+……+1/(x+2002)-1/(x+2003)=(2x+4003)/(3x+6009)
1/(x+1)-1/(x+2003)=(2x+4003)(3x+6009)
x=2003/2
帮忙解个方程:1/(x+1)(x+2)+1/(x+2)(x+3)+......1/(x+2002)(x+2003)=(2x+4003)/(3x+6009)
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