251*(482+118)=251*600=150600
(936+264)*90=1200*90=108000
(3700+2500):20=6200:20=310
3200:(280-200)=3200:80=40
251*(482+118)=150600
(936+264)*90=108000
(3700+2500):20=310
3200:(280-200)=40
251*(482+118)=251*600=150600
(936+264)*90=1200*90=108000
(3700+2500):20=6200:20=310
3200:(280-200)=3200:80=40
251*(482+118)=150600
(936+264)*90=108000
(3700+2500):20=310
3200:(280-200)=40