Question

Ćw 8 str 12 Klasa 6 Liczby i wyrażenia algebraiczne
a) 6 i 7/9 - 2/3 =
b) 6 i 3/4 - 7/8 =
c) 1 i 1/2 - 5/7=
d) 7 i 3/4 - 5 i 4/5 =
e) 9 i 3/5 - 4 i 2/3 =
Pomocy ! :(
Mam do na jutro :(
BŁAGAM !

Answer 1

A) 6 7/9 - 2/3= 51/9 - 2/3 = 51/9 - 5/9 = 46/9 = 5 1/9
b) 6 3/4 - 7/8 =27/4 - 7/8 = 29/8 - 7/8 = 22/8 = 2 6/8
c) 1 1/2 - 5/7 = 3/2 - 5/7 = 10/14 - 7/14 = 3/14
d) 7 3/4 - 5 4/5 = 31/4 - 29/5= 36/20 - 33/20 = 3/20
e) 9 3/5 - 4 2/3= 48/5 - 14/3 = 51/15 - 19/15= 32/15 = 2 2/15