=∛27+∛135=3+∛27*5=3+3∛5
=∛(10-√73)(10+√73)=∛10²-(√73)²=∛100-73=∛27=3
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=∛27+∛135=3+∛27*5=3+3∛5
=∛(10-√73)(10+√73)=∛10²-(√73)²=∛100-73=∛27=3