Question

\(\frac{x}{3,15}=\frac{0,15}{7,2}\)

Answer 1

Trả lời nè bạn ưi !!!

x=(3,15.0,15): 7,2

x=\(\frac{21}{320}\)

Chúc thành công.

Answer 2

Có : \(\frac{x}{3,15}=\frac{0,15}{7,2}\Rightarrow x=\frac{0,15.3,15}{7,2}=\frac{21}{320}\)

Answer 3

\(\frac{x}{3,15}=\frac{0,15}{7,2}\)

\(\Rightarrow x.7,2=3,15.0,15\)

\(\Rightarrow x.7,2=\frac{189}{400}\)

\(\Rightarrow x=\frac{189}{400}:7,2\)

\(\Rightarrow x=\frac{21}{320}\)

Vậy \(x=\frac{21}{320}.\)

Chúc bạn học tốt!