Question

formatia Ciocanitorile vesele au adunat 500 de spectatori cu blana .Iepurasi si veverite erau 441 veverite si vulpite erau 305 .Cati spectatori cu blana erau de fiecare fel?

Answer 1

ALGEBRIC:
iepurasi=x
veverite=y
vulpite=z

x+y+z=500
x+y=441
y+z=305

441+z=500
z=500-441
z=59 - vulpite

x+305=500
x=500-305
x=195 - iepurasi

195+y+59=500
254+y=500
y=246 - veverite
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INTREBARI:

1. Cate vulpite au fost la concert?
441+vulpite=500
vulpite=500-441
vulpite=59

2. Cati iepurasi au fost la concert?
iepurasi+305=500
iepurasi=500-305
iepurasi=195

3. Cate vulpite si iepurasi au fost in total la concert?
195+59=254

4. Cate veverite au fost la concert?
veverite+254=500
veverite=500-254
veverite=246