Given that the sum of - 2A ^ 2B ^ x + y and 1 / 3A ^ XB ^ 5 is still monomial, find the value of 1 / 2x ^ 3-1 / 6xy ^ 2 + 1 / 3Y ^ 3 | Math enthusiast | Mathematical art

Given that the sum of - 2A ^ 2B ^ x + y and 1 / 3A ^ XB ^ 5 is still monomial, find the value of 1 / 2x ^ 3-1 / 6xy ^ 2 + 1 / 3Y ^ 3

Er, landlord, can you use words to express the power of your question? I can't see it clearly!!

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