А+2/4+3а-1/3+а-2/2 при а =-2

Question

А+2/4+3а-1/3+а-2/2 при а =-2

Answer 1

А+2/4+3а-1/3+а-2/2= 5а+2/4-1/3-2/2=5*(-2)+6/12-4/12-12/12= -10-10/12=-10 10/12=-10ц 5/6

Comments

-10ц 5/6