52%*(1/4)+5.87=0.13+5.87=6.0.88÷(3/27+35%)=0.88÷(1/9+7/20)=0.88÷(83/180)=0.88*180/83=1584/830=792/415.35.2÷9+35.2÷(9/8)=35.2*(1/9)+35.2*(8/9)=35.2*(1/9+8/9)=35.2.(15/16-1/4-50%)÷75%=(15-4-8)/16*4/3=1/4.