Question

[Fenny]

Tim x biet

\(1+\frac{-1}{60}+\frac{19}{120}< \frac{x}{36}< \frac{58}{90}+\frac{59}{72}+\frac{-1}{60}\)

Answer 1

[Huỳnh Quang Sang]

\(1+\frac{-1}{60}+\frac{19}{120}< \frac{x}{36}< \frac{58}{90}+\frac{59}{72}+\frac{-1}{60}\)

=> \(\frac{137}{120}< \frac{x}{36}< \frac{521}{360}\)

=> \(\frac{411}{360}< \frac{10x}{360}< \frac{521}{360}\)

=> 411 < 10x < 521

=> x \(\in\){ 42,43,44,...,52}