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X oblicz
a) 67 - -
b) 51 - 5
c) 1 - 5 =
d) 73-5% =
c)
=


X Oblicz A 67 B 51 5 C 1 5 D 735 C class=

Odpowiedź :

Odpowiedź:

7)

a) 6 7/9 - 1/3 = 6 7/9 - 3/9 = 6 4/9

b) 5 1/4 - 5/8 = 5 2/8 - 5/8 = 4 10/8 - 5/8 = 4 5/8

c) 1 1/2 - 5/9 = 1 9/18 - 10/18 = 27/18 - 10/18 = 17/18

d) 7 3/4 - 5 7/9 = 7 27/36 - 5 28/36 = 1 35/36

nie jestem pewna xD