Ответ:\(\frac12=0,5\);\(\frac25=0,4\);\(\frac35=0,6\);\(\frac14=0,25\);\(\frac34=0,75\);\(\frac18=0,125\);\(\frac3{20}=0,15\);\(\frac7{50}=0,14\);\(\frac3{25}=0,12\);\(\frac{12}{25}=0,48\).