September 2018 1 18 Report

1.Rozwiąż równania:

2x+5=15¾

-3x=3¾

2(3x-4)=10

-3(5+2x)=15

4(x+3)-2=-6

30-10(2-3x)=-50

x+15=8⅓

12,4-x=20

2.Biologia:

W organizmie ludzkim ok 80% dwutlenku węgla przenoszone jest z tkanek do płuc za pośrednictwem: .....................


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