Question

E pentru tema de azi si nu o am va rog azi ma trece la tabla si nu stiu nimic din astea va rogggggggg!

Answer 1

a)
-2/3:(4/9:2/27)= 
=-2/3:(4/9 x27/2)= 
=-2/3: 2/3= 
=-2/3 x 3/2 =-1

c)
(-3/8-1/8:3/4) :(+13/8)=
=(-3/8-1/8x4/3) :(+13/8)=
=(-3/8-1/6) :(+13/8)=
=(-9-4)/24)  x 8/13=
=-13/24 x8/13=-1/3

e)
17/49:(-2 3/7) :(-1 1/14)=
=17/49:(-17/7) :(-15/14)=
=-17/49x 7/17   x(-14/15)=
=(-1/7 ) x(-14/15)= 2/15

g)
(-2 2/3) : (-2 5/9) : (-1 1/8)=
=(-8/3) : (-23/9) :(-9/18)=
=- 8/3 x 9/23 x18/9=
=-48/23