Respuesta :
Total num of balls= (6x3)=18
Total num of ball removed from bag=(5+2)=7
Num of ball still in the pack is 18 - 7=11
Therefore expression used is
6 x 3 - (5+2). which gives 11
Total num of ball removed from bag=(5+2)=7
Num of ball still in the pack is 18 - 7=11
Therefore expression used is
6 x 3 - (5+2). which gives 11