ajutati-ma si la aceste 2 probleme plz

Răspuns:
1)a+b+c=306
306-195=111(c)
306-284=22(a)
111+22=133
306-133=173(b)
2)A+I+E=659
659-425=234(c)
659-487=172(a)
172+234=406
659-406=253