Question

Suma a 4 numere consecutive este 86.Afla numerele.Dau coroana

Answer 1

a  +  a+1  +  a+2  +  a+3 = 86
4a+6=86
4a=86-6=80
4a=80
a=80:4=20
a=20
a, a+1, a+2, a+3

nr sunt  20,21,22,23

Answer 2

a+(a+1)+(a+2)+(a+3)+(a+4)=86
86-10=76
76÷4=19 (a)
=>nr sunt 19,20,21,22