Matemātikas formulas
Fizikas formulas
Meklet
Aprēķini
RO60Qc - 1
Aprēķins: RO60Qc - 1
1
/
d
+
1
/
f
=
D
1
/
d
+
1
/
f
=
D
$$\frac{1}{d}+\frac{1}{f}$$
=
$$D$$
1
/
d
=
D
-
1
/
f
$$\frac{1}{d}$$
=
$$D-\frac{1}{f}$$
d
=
1
/
(
D
-
1
/
f
)
$$d$$
=
$$\frac{1}{D-\frac{1}{f}}$$