Ответ:\((61-45)+(62-34)+(83-57)=16+28+26=70\).\(70-55:11-85:17=70-5-5=60\).\(42:6+(19+6):5-6\cdot2=7+25:5-12=7+5-12=0\).\(80-(13+22):5-6\cdot4+25=80-35:5-24+25=80-7-24+25=74\).Ответ: 70; 60; 0; 74.