(3n+1)/(2n+1)怎么化简!

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(3n+1)/(2n+1)怎么化简!
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(3n+1)/(2n+1)怎么化简!
(3n+1)/(2n+1)怎么化简!

(3n+1)/(2n+1)怎么化简!
3n+1=2n+1+n
所以原式=1+n/(2n+1)=1+1/2+(1/n)

只要化简 -2n- (3n-1) =-2n-3n 1 =-5n 1 -2n- (3n-1 =-2n-3n 1 = -5n 1