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Determine three consecutive odd numbers whose sum is 123

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解答

Determinethreeconsecutiveoddnumberswhosesumis123

解答

Thenumbers:39,41,43
求解步骤
Represent the numbers with x:
Firstnumber:x
Consecutivenumber1:x+2
Consecutivenumber2:x+4
A.T.Q.:x+x+2+x+4=123
解 x+x+2+x+4=123:x=39
x+2=39+2=41
x+4=39+4=43
Thenumbers:39,41,43

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