Odpowiedź:
Zad. 60
a) 3 i 1/6 - 1/4 = 2 i 28/24 - 6/24 = 2 i 22/24 = 2 i 11/12
b) 2 i 4/5 - 4/7 = 2 i 28/35 - 20/35 = 2 i 8/35
c) 3 i 5/11 - 1/2 = 2 i 32/22 - 16/32 = 2 i 16/32 = 2 i 1/2
d) 4 i 2/5 - 1 i 7/15 = 3 i 21/15 - 1 i 7/15 = 2 i 14/15
e) 3 i 5/8 - 2 i 5/6 = 2 i 39/24 - 2 i 20/24 = 19/24
f) 3 i 5/6 - 2 i 4/5 = 3 i 25/30 - 2 i 24/30 = 1 i 1/30
a) 2 11/12
b) 2 8/35
c) 2 21/22
d) tutaj jest błąd, źle przepisałam. 22/5 - 22/15 = 66/15 - 22/15= 44/15 = 2 14/15
e) 19/24
f) 1 7/8
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Odpowiedź:
Zad. 60
a) 3 i 1/6 - 1/4 = 2 i 28/24 - 6/24 = 2 i 22/24 = 2 i 11/12
b) 2 i 4/5 - 4/7 = 2 i 28/35 - 20/35 = 2 i 8/35
c) 3 i 5/11 - 1/2 = 2 i 32/22 - 16/32 = 2 i 16/32 = 2 i 1/2
d) 4 i 2/5 - 1 i 7/15 = 3 i 21/15 - 1 i 7/15 = 2 i 14/15
e) 3 i 5/8 - 2 i 5/6 = 2 i 39/24 - 2 i 20/24 = 19/24
f) 3 i 5/6 - 2 i 4/5 = 3 i 25/30 - 2 i 24/30 = 1 i 1/30
a) 2 11/12
b) 2 8/35
c) 2 21/22
d) tutaj jest błąd, źle przepisałam. 22/5 - 22/15 = 66/15 - 22/15= 44/15 = 2 14/15
e) 19/24
f) 1 7/8