Question

REZOLVATI PROBLEMA VA ROG: SUMA A 4 NUMERE ESTE 70. STIIND CA FIECRAE DINTRE ELE SUNT CU 5 MAI MARE DECAT PREDECESORUL SAU SA SE AFLE NR!

Answer 1

a+b+c+d=70
a=x
b= x+5
c=x+10
d=x+15
x+x+5+x+10+x+15=70          !!! rezulta ca   >>>> a=10
4x+30=70                                                          b=10+5=15
4x=70-30                                                           c=10+10=20
4x=40                                                                d=10+15=25
x=40:4                                          verificare  >>>>        10+15+20+25=70
x=x