Răspuns :
Simplifici fiecare fracctie si vei obtine:
7/70+11/110+101=1/10+1/10+101=2/10+101=1/5+101=506/5
7/70+11/110+101=1/10+1/10+101=2/10+101=1/5+101=506/5
7/70+11/110+101=
=1/10+1/10+101 aduci la același numitor
=1+1+1010/10
=1012/10
=101,2
=1/10+1/10+101 aduci la același numitor
=1+1+1010/10
=1012/10
=101,2