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35×5-54:X×4=139
URGENT!!!


Răspuns :

35 × 5 - 54 : X × 4 = 139

175 - 54 : X × 4 = 139

54 : X × 4 = 175 - 139

54 : X × 4 = 36

54 : X = 36 : 4

54 : X = 9

X = 54 : 9

X = 6