Oblicz ułamki:
a) 3 4 + 1 3 =
b) 2 3 + 1 5 =
c)3 8 + 1 2 =
d)7 9 - 2 2=
e)1 i 1 6 + 2 i 4 9=
f)3 i 1 4 - 1 i 5 6=
a)3/4+1/3= 9/12+4/12=13/12
b)2/3=1/5= 10/15+3/15=13/15
c)3/8+ 1/2= 3/8+4/8= 7/8
d) 7/9-2/2= 14/18-18/18= -4/18
e) 1 i 1/6+ 2 i 4/9= 7/6+22/9= 21/18+44/18= -23/18
f) 3 i 1/4-1 i 5/6= 13/4-11/6= 39/12-22/12= 17/12
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a)3/4+1/3= 9/12+4/12=13/12
b)2/3=1/5= 10/15+3/15=13/15
c)3/8+ 1/2= 3/8+4/8= 7/8
d) 7/9-2/2= 14/18-18/18= -4/18
e) 1 i 1/6+ 2 i 4/9= 7/6+22/9= 21/18+44/18= -23/18
f) 3 i 1/4-1 i 5/6= 13/4-11/6= 39/12-22/12= 17/12
a)3/4+1/3= 9/12+4/12=13/12
b)2/3=1/5= 10/15+3/15=13/15
c)3/8+ 1/2= 3/8+4/8= 7/8
d) 7/9-2/2= 14/18-18/18= -4/18
e) 1 i 1/6+ 2 i 4/9= 7/6+22/9= 21/18+44/18= -23/18
f) 3 i 1/4-1 i 5/6= 13/4-11/6= 39/12-22/12= 17/12