(8x−6y)(8x−3y)\left(8x-6y\right)\left(8x-3y\right)(8x−6y)(8x−3y)
7a8−7a47a^8-7a^47a8−7a4
−1+4x+6x−20-1+4x+6x-20−1+4x+6x−20
sin12x=13\sin\frac{1}{2}x=\frac{1}{3}sin21x=31
9m+8⋅9m−89m+8\cdot9m-89m+8⋅9m−8
(4+2)−∣7−(−3−5−7)∣\left(4+2\right)-\left|7-\left(-3-5-7\right)\right|(4+2)−∣7−(−3−5−7)∣
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