Z każdego z podanych niżej wzorów wyznacz x.
A) P=abx
B)R-ax/b
C)S=a/bx
/ KRESKA UŁAMKOWA
A)
P=abx //:ab
x=P/(ab)B)
R=ax/b //*b
Rb=ax //:a
x=(Rb)/aC)
S=a/bx //*bx
Sbx=a //:Sb
x=a/(Sb)
licze na naj
abx=P |:ab
x=P/ab
ax/b=R |*b
ax=Rb |:a
x=Rb/a
C)S=a/bx |*b
Sb=a/x |*x
Sbx=a|:Sb
x=a/Sb
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A)
P=abx //:ab
x=P/(ab)
B)
R=ax/b //*b
Rb=ax //:a
x=(Rb)/a
C)
S=a/bx //*bx
Sbx=a //:Sb
x=a/(Sb)
licze na naj
A) P=abx
abx=P |:ab
x=P/ab
B)R-ax/b
ax/b=R |*b
ax=Rb |:a
x=Rb/a
C)S=a/bx |*b
Sb=a/x |*x
Sbx=a|:Sb
x=a/Sb