September 2018 1 20 Report

oblicz, ile promili liczby b stanowi liczba a, jeżeli:

a) a=15, b=1000

b) a=15, b=2000

c) a=3, b=3000

d) a=1, b=800

e) a=2, b=400

f) a=6, b=800

g) a=120, b=2000

h) a=180, b=1000

i) a=15, b=140

j) a=20, b=4500

k) a=18, b=9000

l) a=2,3, b=850


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