What were the advantages in Hauy's system?1)It was difficult to learn.

1.	What were the advantages in Hauy's system?1)It was difficult to learn.2)It was only a reading system.3)There was no way for the blind to write in this system.4)All the above
Answer» ANSWER: all the above is the answer for this QUESTION

What were the advantages in Hauy's system?1)It was difficult to learn.2)It was only a reading system.3)There was no way for the blind to write in this system.4)All the above

Answer»

all the above is the answer for this QUESTION