Your browser does not support Java Script, please enable Java Script.
Practice Maths - Maths9.com
Problems Attempted
00
Time
00
HR
00
MIN
00
SEC
Practice Score out of 100
00

The factor tree of the number 81 is given below. But there are errors. Identify the error.

 

 

 





You did not choose an answer. Are you sure you want to submit?