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suma a 4 numere naturale consecutive este 486.aflati numerele .

Răspuns :

a+a+1+a+2+a+3=486
4a=486-6
4a=480
a=120
b=121
c=122
d=123
x+(x+1)+(x+2)+(x+3)=486
4x+6=486
4x=480
x=480:4
x=120
x+1=120+1=121
x+2=120+2=122
x+3=120+3=123