1) 6/3,5=60/35=1.5/7 2)18,2+1.5/7=18.1/5+1.5/7=19.32/35 3)3,5*6=21 4)|21-19.32/35|=1.3/35 5)|-85-38,4|=|-123,4|=123.2/5 6)1.3/35+123.2/5=124.17/35