Question

Witam prosze o rozwiazanie rownan / oznacza kreske ułamkowa

a) [(5 1/2-3 1/4):2 1/4+7 5/8]:2 7/8=

b) (2/3·2,7-7/15:1/3)1/25·(3/4-1/6)
---------------------------------------- =

8/15+0,3

c)

1/2-2/5:(1 2/3-2 1/5)
----------------------------- =
2/3·1 1/2-3/4

d)

(1 1/3+1 2/3·1,2):1 2/3-(1,75:1 1/8-2 1/3:5,25)·0,9
---------------------------------------------------------------=
(5 6/5-5,5)·0,3

Answer 1

a) [(5 4/8 - 3 2/8) :2 2/8 + 7 5/8] :2 7/8=
[2 2/8:2 2/8 + 7 5/8] : 2 7/8=
[1+ 7 5/8] :2 7/8=
8 5/8: 2 7/8= 69/8x 6/25= 2 19/25