$7\;836+51\;113 = $  

$682-35 = $  

$2\;379-218 = $  

$90+278 = $  

$426+341 = $  

$856-392 = $  

$722-521 = $  

$906+800 = $  

$119+53+60+2 = $  

$2\;443-633 = $