(-3a+2b)(-3a-2b) (3/4x-4/3y)^2 (0.5a+1/4)^2 (-2a^2-7b)^2 (-8b+1/4)^2
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(-3a+2b)(-3a-2b)(3/4x-4/3y)^2(0.5a+1/4)^2(-2a^2-7b)^2(-8b+1/4)^2(-3a+2b)(-3a-2b)(3/4x-4/3y)^2(0.5a+1
(-3a+2b)(-3a-2b) (3/4x-4/3y)^2 (0.5a+1/4)^2 (-2a^2-7b)^2 (-8b+1/4)^2
(-3a+2b)(-3a-2b) (3/4x-4/3y)^2 (0.5a+1/4)^2 (-2a^2-7b)^2 (-8b+1/4)^2
(-3a+2b)(-3a-2b) (3/4x-4/3y)^2 (0.5a+1/4)^2 (-2a^2-7b)^2 (-8b+1/4)^2
(-3a+2b)(-3a-2b)
=9a²-4b²
(3/4x-4/3y)^2
=9/14x²-2xy+16/9y²
(0.5a+1/4)^2
=0.25a²+a+1/16
(-2a^2-7b)^2
=4a^4+28a²b+49b²
(-8b+1/4)^2
=64b²-4b+1/16
我怕了你了,今天怎么都是你的题目.拜托,把题目分开一点,好不好?
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