Question

tim x

\(\frac{1\frac{1}{2}}{3\frac{1}{2}}=\frac{x}{4}\)

Answer 1

x=\(\frac{12}{7}\)

Answer 2

tình bày từng bước nha bn

Answer 3

\(\text{đề }\Rightarrow3\frac{1}{2}.x=1\frac{1}{2}.4\)

\(\frac{7}{2}x=6\)

\(x=\frac{12}{7}\)

từng bước nè b

Answer 4

\(\frac{1\frac{1}{2}}{3\frac{1}{2}}=\frac{x}{4}\)

\(\Rightarrow3\frac{1}{2}.x=1\frac{1}{2}.4\)

\(\Rightarrow\frac{7}{2}x=6\)

\(\Rightarrow x=6\div\frac{7}{2}\)

\(\Rightarrow x=\frac{12}{7}\)(T/m)

Vậy \(x=\frac{12}{7}.\)