1-1/2+1/3-1/4+1/5-1/6+1/15=23*(1/a+1/b+1/c+1/d)求a,b,c,d

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1-1/2+1/3-1/4+1/5-1/6+1/15=23*(1/a+1/b+1/c+1/d)求a,b,c,d1-1/2+1/3-1/4+1/5-1/6+1/15=23*(1/a+1/b+1/c+1/

1-1/2+1/3-1/4+1/5-1/6+1/15=23*(1/a+1/b+1/c+1/d)求a,b,c,d
1-1/2+1/3-1/4+1/5-1/6+1/15=23*(1/a+1/b+1/c+1/d)求a,b,c,d

1-1/2+1/3-1/4+1/5-1/6+1/15=23*(1/a+1/b+1/c+1/d)求a,b,c,d
这题可能给的条件少了点,有些麻烦,a、b、c、d应该要求是整数吧,
我可以给出几组值：a=46,b=1380,c=345,d=230；a=46,b=690,c=460,d=230；
a=46,b=690,c=345,d=276；等等

3个为230 1个为60