November 2018 1 13 Report

1. Wyznacz ,,x''

a) a/b + x/c = 4

b) ax - bx = c

c) 2a/c = x/a

d) b/x = 2a/3

e) x/5c = 5/a

f) a-b/c = x/4

2. Wyznacz podane wielkości

a) P = 2 (ab+ac+bc) - wyznacz b

b) 3-c/a+b = 2 - wyznacz b

c) a + b = 1/c - wyznacz c

PROSZE O POMOC!!


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