Question

Intr-o curte sunt gaini si si iepuri , in total 124 picioare in total 43 de capete. Cate gaini si cati iepuri sunt ?.

Answer 1

Răspuns:

g+i=43=>g=43-i

2g+4i=124

2(43-i)+4i=124

86-2i+4i=124

2i=124-86

i=38:2=>i=19 iepuri

g=43-19=>g=24 gaini