1÷ 2 3 = 3 2 , 3 2 × 1 2 = 3 4 ,28%÷(1+ 3 4 )=16%,16%×(1+ 3 2 )=40%,1-25%-40%=35%; 3 2 ×50%=75%,(35%+75%)÷(1+ 3 2 )=44%.答:水果糖占44%.