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Đáp án:
X = 2,006
Giải thích các bước giải:
X x 9,9 + X : 10 = 20,06
X x (9,9 + 0,1) = 20,06
X x 10 = 20,06
X = 20,06 : 10
X x 9,9 + X x 0,1=20,06
X x (9,9 +0,1) =20,06
X x 10 =20,06
X =20,06 : 10
X =2,006
Vậy X=2,006
hãy nêu tên các sinh tố tan trong nước và các sinh tố tan trong chất béo, sinh tố nào ít bền vững nhất? cho biết cách bảo quản
|97$\frac{2}{3}$ -125$\frac{3}{5}$| +97$\frac{2}{5}$ -125$\frac{1}{3}$
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