Y = 1/2 x 9/4 = 9/8
Y = 3,5:5 = 7:10 = 7/10
Y = 10 - 9.3 = 0.7 = 7/10
nhớ nhá :))
Câu 1 : \(y\cdot\frac{4}{9}=\frac{1}{2}\)
\(y=\frac{1}{2}:\frac{4}{9}\)
\(y=\frac{1}{2}\cdot\frac{9}{4}\)
\(y=\frac{9}{8}\)
Câu 2: \(3,5:y=5\)
\(y=3,5:5\)
\(y=0,7\)
Câu 3 : \(y+9,3=10\)
\(y=10+9,3\)
\(y=19,3\)
chúc bn hok tốt k mk mk tặng vài tấm ảnh anime girl nha
*\(y\times\frac{4}{9}=\frac{1}{2}\) * \(3,5\div y=5\) * \(y+9,3=10\)
\(y=\frac{1}{2}\div\frac{4}{9}=\frac{9}{8}\) \(y=3,5\div5=\frac{7}{10}\) \(y=10-9,3=0,7\)
y *4/7 =1/2
y=7/8
3,5 / y =5
y=0,7
y + 9,3 =10
y=0,7