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5. DRILL QUESTION

Complete each expression.

(a) A + 1 =

(b) A A =

(c) B B =

(d) C + C =

(e) x 0 =

1

A

с

D

(f) D. 1 =

(g) D + 0 =

(h) C + C

(i) G + GF

G

(i) y + wy = y

D

1

Fig: 1