Jeśli 1/c = a/2 + b/2 , to : a) C = a+b/2 b) C = 2/a+b c) C = 1/2a+2b d) C = 2/a+2/b
Jeśli 1/c = a/2 + b/2 , to :
a) C = a+b/2
b) C = 2/a+b
c) C = 1/2a+2b
d) C = 2/a+2/b
1/c=a+b/2 c=2/a+b odpowiedz b
1/c = a/2 + b/2 1/c=a+b/2 c(a+b)=2 c=2/a+b