Question

In parc s-au sadit 4860 panselute.Dintre acestea 2600 sunt albe si rosii,iar 2500 sunt rosii si galbene.

Answer 1

R= panselute rosii G=panselute galbene A=panselute albe R+G+A=4860. R+G=2500. A+R=2600 2500+A=4860. 2600+G=4860 A=4860-2500=2360. G=4860-2600=2260 A+G=2260+2360 A+G=4620 R+4620=4860 R=4860-4620 R=240