Răspunsuri

2014-05-14T17:23:28+03:00
A-b=600
 \frac{a}{4} =50+ \frac{b}{3}

 \frac{a}{4} = \frac{150+b}{3}

3a=4b+600
a= \frac{4b+600}{3}

 \frac{4b+600}{3} -b=600

 \frac{4b+600-3b}{3} =600

 \frac{b+600}{3} =600

b+600=1800
b=1200
a-1200=600
a=1800

prin segmenti
incerc prin segmenti
nu nu asa am scris eu dar e pt sora mea de clasa a 4
o stii problema?
heii le stii sau nu ca ma grabesc ca trb sa inv