Question

200:2*(540 +460):10             200:2*540+460:10           200:2*(540+460:10)                 1200 -200:40*5*5                  1200-200:(40*5)*5           (1200-200:40)*5*5

Answer 1

$200:2*(540+460):10=100*1000:10=10000\200:2*540+460:10=100*540+46=54000+46=54046\200:2*(540+46:10)=100*(540+4,6)=100*546,6=54660\1200-200:40*5*5=1200-5*25=1200-125=1075\1200-200:(40*5)*5=1200-200:200*5=1200-5=1195\(1200-200:40)*5*5=(1200-5)*25=1195*25=29875$