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Mathematics, 23.08.2019 17:30 summerarellanoo

A+b+c+d=770
a+b=c+d
a-b=49
c-d=211
find numbers.

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Answers: 1

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You know the right answer?
A+b+c+d=770
a+b=c+d
a-b=49
c-d=211
find numbers....
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