Răspuns :
( 2/3 ) ^-2 = (3/2) ^2 = 9/4
1/6 x 9/4 = 9/ 24
- 5/6 - 9/24= - 20/24 - 9/24 = - 29/24
raspunsul corect este D.
1/6 x 9/4 = 9/ 24
- 5/6 - 9/24= - 20/24 - 9/24 = - 29/24
raspunsul corect este D.
-5/6-1/6•(2/3)^-2=
-5/6-1/6•(3/2)²=
-5/6-1/6•9/4=
-5/6-9/24=
-20/24-9/24=
-29/24=
-5/6-1/6•(3/2)²=
-5/6-1/6•9/4=
-5/6-9/24=
-20/24-9/24=
-29/24=