Oblicz niewiadome liczby
a)4:x=20
x=
b)5:y=35
c)12:z=45
a)4:x=20|*x
20x=4|:20
x=0,2
b)5:y=35|*y
35y=5|:35
y=1/7
c)12:z=45|*z
45z=12|:45
z= 0,2(6)
a
4:x=20
x=4:20
x=0.2
b
5:y=35
y=5/35
c
12:z=45
z=12/45
/- ułamek
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a)4:x=20|*x
20x=4|:20
x=0,2
b)5:y=35|*y
35y=5|:35
y=1/7
c)12:z=45|*z
45z=12|:45
z= 0,2(6)
a
4:x=20
x=4:20
x=0.2
b
5:y=35
y=5/35
y=5/35
y=1/7
c
12:z=45
z=12/45
/- ułamek