|x + 3| + (y - 1)^2018 = 0

dau hoac coi nhu la dau gia tri tuyet doi nha vi minh ko biet daau gia tri tuyet doi o dau

(x+3)+(y-1)^2018=0


BAN OI X+3 LA DAU GIA TRI TUYET DOI CON Y-1 LA DAU HOAC NHA BAN
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