452 - Х = 168 + 87 .,Х - 516 = 360 :90 .,518 - У = 144 + 2127

Question

452 - Х = 168 + 87 .,
Х - 516 = 360 :90 .,
518 - У = 144 + 2127

Answer 1

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Comments

спасибо

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Не за что