September 2018 1 20 Report

Oblicz:

a) (3,1-2,1*2/3+1 2/5):6,2* 1 2/5 (to ułamek 2/5)=

b)(2,5-1 1/4+ 2/3) : 3 5/6 * 6/5=

Plis pomocy na dzisiaj ;] daje 10 punktów ;]


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