PK / PW / [ e ] / PG. = P = PROGRESSÃO. / PK / PW / [ e ] / PG. = � � ( � ) = 1 � � ⋅ � − � 2 � 2 / PK / PW / [ e ] / PG. = / PK / PW / [ e ] / PG. = / PK / PW / [ e ] / PG. = / PK / PW / [ e ] / PG. = / PK / PW / [ e ] / PG. = . / PK / PW / [ e ] / PG. =