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Simplify 1 cube + 2 cube + 3 cube × 1/2

User BJ Homer
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1 Answer

5 votes
((1^3)+(2^3)+(3^3))*1/2=x
(1+(2^3)+(3^3))*1/2=x
(1+8+(3^3))*1/2=x
(1+8+27)*1/2=x
36*1/2=x
18=x

your answer is 18
User Knowledge Drilling
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