Khanhlinh09 Khanhlinh09

30-08-2021
Mathematics

contestada

Tìm x, y, z biết x (x + y + z) = - 5; y (x + y + z) = 9; 7 (x + y + z) = 5

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browns72 browns72

30-08-2021

Step-by-step explanation:

Tim xyz. x (x+y+z) = -12 ;y (x+y+z) = 18 ;z (x+y+z) = 30

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