January 2019 1 8 Report
Oblicz.
a) 3 i 4/9 * 5 i 1/7=
b) 5 i 6/7 * 9 i 4/5=
c) 1 i 1/8 * 3 i 2/11=

* - znak razy
/ - kreska ułamkowa

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