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Find the missing number in the last triangle.

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Find the missing number in the last triangle.

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posted Nov 23, 2017 by Aastha Joshi

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1 Answer

+1 vote

(1×2×3) + (1+2+3) = 12
(2×3×4) + (2+3+4) = 33
(3×4×5) + (3+4+5) = 72.

answer Nov 23, 2017 by Tejas Naik



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