Question

tìm y

y : 3 - 7,2 = 1,56

Answer 1

\(y\div3-7,2=1,56\)

\(\Leftrightarrow y\div3=8,76\)

\(\Leftrightarrow y=26,28\)

Vậy ..........................

Answer 2

\(y\div3-7,2=1,56\)

\(\Leftrightarrow y\div3=1,56+7,2\)

\(\Leftrightarrow y\div3=8,76\)

\(\Leftrightarrow y=8,76\cdot3\)

\(\Leftrightarrow y=2,92\)

Vậy \(y=2,92\)

Answer 3

Mk tính nhầm r,

\(y=26,28\), đó là kết quả của mk nhé!

Chúc bn hc tốt~