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23-07-2016
Mathematics

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if a+ab+abc+abcd=1992, find the value of a, b, c, and d?

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apologiabiology apologiabiology

23-07-2016

well

one possible thing is if
a=1992
and if b or c or d =0
examples
a=1992
b=0
c=0
d=0

another is if a=b=c=1
and d=1989

there are many possibilities

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