设苹果x吨,梨y吨,香蕉z吨
由题可得:
x+y=3/5
y+z=5/6
x+y+z=14/15
解y=3/5-x 所以y+z=3/5-x+z=5/6 得z=5/6-3/5+x
所以x+y+z=x+(3/5-x)+(5/6-3/5+x)=14/15
得x=1/10
y=3/5-1/10=1/2
z=5/6-1/2=1/3
设苹果x吨,梨y吨,香蕉z吨
由题可得:
x+y=3/5
y+z=5/6
x+y+z=14/15
解y=3/5-x 所以y+z=3/5-x+z=5/6 得z=5/6-3/5+x
所以x+y+z=x+(3/5-x)+(5/6-3/5+x)=14/15
得x=1/10
y=3/5-1/10=1/2
z=5/6-1/2=1/3