August 2018 1 53 Report
Sprawdź, czy równania mają jednakowe rozwiązanie. :
a) x+ 4,2= 1¹/₅ i -4-x=-7
b) -9,75+x=-2½ i -2⅔* (razy) x=-19⅓
c) 2,4*x=-1⅗ i x+5⅓=6
d) x:( -1¾) = 1⅓ i 7⅙-x=9½

obliczenia konieczne ;) dam naj. ;p

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