(1/3xy)^2×(-12x^2y^2)÷(-4/3x^3y)
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(1/3xy)^2×(-12x^2y^2)÷(-4/3x^3y)
=(1/9)x^2y^2 × (-12)x^2y^2 ÷ (-4/3)x^3y
=(1/9)*(-12)*(-3/4) x^(2+2-3) y^(2+2-1)
=xy^3
=(1/9)x^2y^2 × (-12)x^2y^2 ÷ (-4/3)x^3y
=(1/9)*(-12)*(-3/4) x^(2+2-3) y^(2+2-1)
=xy^3
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