y*2+y*1/2=10
y*(2+1/2)=10
y*(4/2+1/2)=10
y*5/2=10
y=10:5/2=4
Vậy y=4
Ta có: y x 2 + y : 2 = 10
=> y x 2 + y x 1/2 = 10
=> y x (2 + 1/2) = 10
=> y x 5/2 = 10
=> y = 20 : 5/2
=> y = 4
y x 2 + y/2 = 10
2y x 2 : 2 = 10
2y x 1 =10
2y =10 : 1
2y = 10
y =5
y*2+y*1/2=10
y*(2+1/2)=10
y*(4/2+1/2)=10
y*5/2=10
y=10:5/2=4
Vậy y=4
\(y\times2+y\div2=10\)
\(y\times\left(2+\frac{1}{2}\right)=10\)
\(y\times\left(\frac{4}{2}+\frac{1}{2}\right)=10\)
\(y\times\frac{5}{2}=10\)
\(y=10\div\frac{5}{2}\)
\(y=4\)
k mk nhé nguyễn phương thúy !
y x 2 + \(\frac{y}{2}\) = 10
y x 2 + y : 2 = 10
y x 2 + y x 0,5 = 10
y x ( 2 + 0,5 ) = 10
y x 2,5 = 10
y = 10 : 2,5
y = 4