Wyznacz c ze wzorów:
a)
b)
c/2=4/(a+b)
c=8/(a+b)
1/a=(4+3)/2c
1/a=7/2c
2c/7=a
c=7/2a
2/c=(a+b)/4
2/c+ 3/2c=1/a
4/2c+ 3/2c=1/a
7/2c=1/a
2c=7a
c=7a/2
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c/2=4/(a+b)
c=8/(a+b)
1/a=(4+3)/2c
1/a=7/2c
2c/7=a
c=7/2a
a)
2/c=(a+b)/4
c/2=4/(a+b)
c=8/(a+b)
b)
2/c+ 3/2c=1/a
4/2c+ 3/2c=1/a
7/2c=1/a
2c/7=a
2c=7a
c=7a/2