Ответ:
that is simple x=m+n y=m-n
Объяснение:
you need to know 2*x=2*(m+n) and 1/2*y=1/2(m-n)
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Ответ:
that is simple x=m+n y=m-n
Объяснение:
you need to know 2*x=2*(m+n) and 1/2*y=1/2(m-n)