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(288 : × -8 ) : 4 - 5 = 1

Răspuns :

(288/x - 8) : 4 - 5 = 1

(288/x -8) : 4 = 6

288/x - 8 = 24

[tex] \frac{288}{x} = 32[/tex]

Inmultim pe diagonale

x * 32 = 288

x = 288 : 32

x = 9

Succes :)