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Ajutor!!Vreau calcule complete nu doar raspunsul, va rog frumos !

AjutorVreau Calcule Complete Nu Doar Raspunsul Va Rog Frumos class=

Răspuns :

a) 2/3-(3/4):7/8=2/3-(3/4)*(8/7)=2/3-6/7=(14-18)/21=-14/21=-2/3
b)43/10-(25-6)/10=43/10-19/10=24/10=12/5
c)-1/8+3/20=(-20+24)/160=4/160=1/40
d)1/3+1/4=(4+3)/12=7/12
e)4/3-2=(4-6)/3=-2/3
f)12/25*15/3+13/5=12/5+13/5=25/5=5.

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