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Ex 4 a,c,e,g,i va rogg frumoss estee urgentt dau coroana .plzz rapid

Ex 4 Acegi Va Rogg Frumoss Estee Urgentt Dau Coroana Plzz Rapid class=

Răspuns :

Theea18
a) 1/4+1/6=1x3+1x2/12=3+2/12=5/12
c) 7/6+3/8=7x4+3x3/24=28+9/24=37/24
e) 5/8+3/10=5x5+3x4/40=25+12/40=37/40
g)5/9+1/6=5x4+1x6/36=20+6/36=26/36
i) 7/15+3/20=7x4+3x3/60=28+9/60=37/60

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