if([t<50] && [t>5]){ if([t<20]){ abs(t'-1)+sin(t'+1)+cos(t)+tan(0.5)+asin(0.5)+acos(0.5)+atan(0.5)+ceil(t) }elseif([t<30]){ max(t,t*2)+min(t,t*2)+pow(t,2) }elseif([t<40]){ (1*2+3/4)*(5*6+7/8)+(9+10)/(11+12) }else{ 50 } }else{ if(![t>80]){ sin(0.5) }else{ random() } } $