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ajutati va rog frumos dau coroana numbing d​

Ajutati Va Rog Frumos Dau Coroana Numbing D class=

Răspuns :

Răspuns:

c)(x+1)7,2=(18×5+4)/5×(10+3)/10

x+1=(95×13/10)/7,2

x+1=123,5/7,2=1235/72

x=(1235-72)/72=1163/72

14×(2x-1)=126/5×15

14(2x-1)=378

28x-14=378

x=(378+14)/28

x=392/28

x=14