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Mariaangelica
a fost răspuns

Transforma fractiile date in fractii cu acelasi numitor,apoi calculeaza.
a)1/2+2/4; b)1/4+2/8; c)1/3+2/6; d)1/2+5/10;e)4/8+1/2

Răspuns :

Olgacelac03
a) 1/2+2/4=1/2x4+2/4x2=4/6+4/6=8/6
b) 1/4+2/8=1/4x8+2/8x4=8/32+16/32=24/32
c) 1/3+2/6=1/3x6+2/6x3=6/18+6/18=12/18
d) 1/2+5/10=1/2x10+5/10x2=10/20+10/20=20/20

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