奥数题立解立釆纳

1个回答

3598/6149/(3又334/731)*5又1424/3519
=3598/6149*731/2527*19019/3519
=3598/559*731/2527*1729/3519
=3598*731*1729/(559*2527*3519)
=4547508602/4970914767 .