31.

(Continued)

Square 3 is common to both the A plot and the

B plot (it is common to AB).

Therefore, the

plot for the term AB is square 3, as shown

below.

To complete the plot of the expression AB+AB,

the second term (AB) must still be plotted.

Plot the second term (AB) in the diagram

above.

32.

Which squares above are assigned to the

following variables?

____ a.

AR

____ c.

AR

____ b.

AR

____ d.

AR

a.

1

33.