Operatii cu unghiuri

 $31^{\degree}-10^{\degree}20^’=$  

•  $20^{\degree}40^’$  

•  $21^{\degree}30^’$  

•  $20^{\degree}30^’$  

•  $19^{\degree}20^’$  

 $41^{\degree}-10^{\degree}50^’=$  

•  $30^{\degree}40^’$  

•  $31^{\degree}30^’$  

•  $30^{\degree}30^’$  

•  $30^{\degree}10^’$  

 $86^{\degree}-10^{\degree}50^’=$  

•  $76^{\degree}40^’$  

•  $75^{\degree}10^’$  

•  $75^{\degree}30^’$  

•  $75^{\degree}20^’$  

 $31^{\degree}10^{’\ }-10^{\degree}30^’=$  

•  $20^{\degree}40^’$  

•  $21^{\degree}30^’$  

•  $20^{\degree}30^’$  

•  $19^{\degree}20^’$  

 $41^{\degree}20^’-10^{\degree}30^’=$  

•  $30^{\degree}40^’$  

•  $31^{\degree}30^’$  

•  $30^{\degree}50^’$  

•  $30^{\degree}10^’$  

 $86^{\degree}20^‘-10^{\degree}40^’=$  

•  $76^{\degree}40^’$  

•  $75^{\degree}10^’$  

•  $75^{\degree}30^’$  

•  $75^{\degree}40^’$  

 $31^{\degree}40^{’\ }+10^{\degree}30^’=$  

•  $42^{\degree}40^’$  

•  $41^{\degree}30^’$  

•  $41^{\degree}30^’$  

•  $42^{\degree}10^’$  

 $52^{\degree}50^{’\ }+10^{\degree}30^’=$  

•  $62^{\degree}40^’$  

•  $63^{\degree}30^’$  

•  $63^{\degree}20^’$  

•  $62^{\degree}10^’$  

 $20^{\degree}50^{’\ }+30^{\degree}30^’=$  

•  $50^{\degree}40^’$  

•  $50^{\degree}30^’$  

•  $51^{\degree}20^’$  

•  $51^{\degree}10^’$  

 $10^{\degree}30^{’\ }+40^{\degree}30^’=$  

•  $50^{\degree}40^’$  

•  $50^{\degree}50^’$  

•  $51^{\degree}20^’$  

•  $51^{\degree}$