设小红收集X枚,小刚收集Y枚,小华收集Z枚,则脊袭由已樱启兄知可列X:Y=2:3Y:Z=4:7X+Y+Z=82解得X=2/3Y;Z=7/旁销4Y则Y=24;X=16;Z=42
82÷ (2/3 + 1 + 7/4)答碧清清前= 24 枚 小刚 24 ÷3× 2 = 16 枚 小红慧芹 24 ÷ 4× 7 = 42 枚 小华