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PLZ HELP????????????????? Write each number as the sum of two triangle numbers, for example 16 = 1 + 15. (a) 13 (b) 31 (c) 55
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PLZ HELP?????????????????

Write each number as the sum of two triangle numbers, for example 16 = 1 + 15.
(a) 13
(b) 31
(c) 55

User Cheech
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1 Answer

5 votes
Triangular numbers :)

a) 13=3+10
b) 31=3+28
c) 55=10+45


User JianYA
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