Question

Giúp cho mình nhé:)

45/30:15/25

Answer 1

= 5/2 nhé

Answer 2

\(\frac{45}{30}\div\frac{15}{25}\)

\(=\frac{3}{2}\div\frac{3}{5}\)

\(=\frac{3}{2}\times\frac{5}{3}\)

\(=\frac{3\times5}{2\times3}=\frac{5}{2}\)

Answer 3

25:30 

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