Question

stiind ca intre termenii unei scăderi exista relaţia d+s+r=8000 ce valori poate lua a din inegalitatea :7333 < d+aaaa <10000?
a.3 4. b.3 4 5. c.3. d.4 5

Answer 1

d+s+r=8000
d=s+r

2d=8000

d=4000

7333<4000+aaaa<10000 l -4000

3333<aaaa<6000

aaaa={4444;5555}