September 2018 1 30 Report

1.liczba a stanowi 40% liczby b. wówczas

a) a=b-0,6

b) b=2,5a

c)a=b-0,4b

d) b=1,8a

2. jeśli p% liczby 560 jest 70 to:

a) p>16

b) p=16

c) p=15

d) p<15


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