Question

a). 6 1/2 + (3 1/3 - 1/2) : 2 5/6 - 1 3/4 =

* tylko mają być obliczenia , nie sam wynik !! (to dotycze i a i b i c ! xDee)

b). 7,13

---------------- =

2,75 - 1 3/5

c). 6,5 + ( 3 1/3 - 0,5)

--------------------- =

2 1/3

Answer 1

a). 6 1/2 + (3 1/3 - 1/2) : 2 5/6 - 1 3/4 = 13/2+(10/3-1/2):17/6-7/4 = 13/2+(20/6-3/6)*6/17-7/4 = 13/2+17/6*6/17-7/4 = 13/2+1-7/4 = 26/4+1-7/4 = 19/4+4/4 = 23/4 = 5 3/4

 

b)

 

c)