Prosze o prawidłowe odpowiedzi .
Cwiczenia w przekształcaniu wzorów
a)
O= 2 a + 2b
a =?
b)
a - k
L = --------
2
a = ?
k = ?
c)
а * h
p = --------
2
h =?
d)
a * b
p = -----------
2
a = ?
e)
R = 2a + k
a = ?
k = ?
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a)a =?
O= 2 a + 2b /-2b
O-2b=2a /:2
a=O-2b /2
b)a = ?
a - k
L = -------- /*2
2
2L=a-k/+k
a=2L+k
k = ?
a - k
L = -------- /*2
2
2L=a-k /-a
-k=2L-a /*(-1)
k=-2L+a
c) h =?
а * h
p = -------- /*2
2
a*h=2p /:a
h=2p/a
d)a = ?
a * b
p = ----------- /*2
2
a*b=2p /:b
a=2p/b
e)a = ?
R = 2a + k /-k
2a=R-k /:2
a=R-k /2
k = ?
R = 2a + k /-2a
k=R-2a
;D