OT3 Ne 6 Bblunctemus (Imar HOCTHKa Ne1) 3azame 1. Hazurre 3HaYeHHe BblpaxeHH3 1) (3)/(4)cdot (6)/(5) 7) (12)/(5):(15)/(2) 13) (1)/(4)-(3)/(25) 19) (14)/(25)+(3)/(2) 3ana Hzre 2. Hazzure 3Havenne BbrpaxkeHHS

1) $\frac {3}{4}\cdot \frac {6}{5} = \frac {18}{20} = \frac {9}{10}$<br />7) $\frac {12}{5}:\frac {15}{2} = \frac {12}{5} \cdot \frac {2}{15} = \frac {24}{75} = \frac {8}{25}$<br />13) $\frac {1}{4}-\frac {3}{25} = \frac {25}{100} - \frac {12}{100} = \frac {13}{100}$<br />19) $\frac {14}{25}+\frac {3}{2} = \frac {14}{25} + \frac {75}{50} = \frac {28}{50} + \frac {75}{50} = \frac {103}{50} = 2\frac {3}{50}$