Question

Suma a 5 numere consecutive impare este 75.Afla numerelor. Sa fie prin metoda figurativa.Ajutamaaaa va roggg.coroana imsediat!!!

Answer 1

a+(a+2)+(a+4)+(a+6)+(a+8)=75

a•----•
b•----•2•
c•----•2•2•
d•----•2•2•2•
e•----•2•2•2•2
a=[75-(2x10)]:5=[75-20]:5=55:5=11
b=11+2=13
c=13+2=15
d=15+2=17
e=17+2=19