Question 29023
List the like terms in the following group of terms.
	–7m, 7dm2, 9d2m, 6dm2,  –10dm2, 7d2
The given quantities are actually
-7m, 7dm^2,9d^2m,6dm^2,-10dm^2,7d^2
In the above list the quantities 
-7m  is a single quantity,
9d^2m is a single quantity,
and 7d^2 is a single quantiy
And 7dm^2,6dm^2,-10dm^2  are like quantities
Note: we call them terms only when they are separated by 
+or - sign in an expression.