应该是乙拿了十张邮票给甲吧?设乙原来有x张,那么甲就是5x/6(5x/6+10)比(x- 10)=5比45×(x- 10)=(5x/6+10)×45x- 50=10x/3+4015 x- 150=10 x+12015 x- 10 x=120+1505x=270X=54
设甲原来有x张,则乙原来有6/5x张,由题,得(x+10):(6/5x-10)=5:44x+40=6x-502x=90x=45∴乙原来有6/5x=54