Fortune Telling Collection - Zodiac Guide - Calculation: (1) y26x ÷ y3x = _ _ _ _ _; (2) a? 2a？ 1-2a？ 3a？ 1=______
Calculation: (1) y26x ÷ y3x = _ _ _ _ _; (2) a? 2a？ 1-2a？ 3a？ 1=______
(1) Original formula =y26x? 3xy
= y2
(2) The original formula =a? 2? (2a？ 3)a？ 1
=a？ 2? 2a+3a？ 1
=? a+ 1a？ 1
=? (a？ 1)a？ 1
=- 1.
So the answer is y2,-1.
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