Toán Lớp 5: Tìm y biết :
y x 13,52 + 14,48 x y = 280
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Toán Lớp 5: Tìm y biết :
y x 13,52 + 14,48 x y = 280
Comments ( 2 )
$#mind$
y x 13,52 + 14,48 x y = 280
y x (13,52 + 14,48) = 280
y x 28 = 280
y = 10
Vậy y = 10
Xiin ctlhn+5*+cảm ơn:3
y xx 13,52 + 14,48 xx y = 280
y xx (13,52 + 14,48) = 280
y xx 28 = 280
y = 280 : 28
y = 10