divide 2 root216 -3 root27 by 3.
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solve it and get answer
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Answer:
2√216 - 3√27 ÷ 3
= 2√2×2×2×3×3×3 - 3√3×3×3 ÷ 3
= 2×2×3√2×3 - 3×3√3 ÷ 3
= 12√6 - 9√3 ÷ 3
= 3√3 ÷ 3
= √3
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