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suma a 4 nr. consecutive este 629.474 . CARE SUNT NUMERELE?

Răspuns :

a+a+1+a+2+a+3=629474
4a=629468
a=157367
Nr sunt:157367,157368,157359,157370
a+a+1+a+2+a+3=629474
4a+6=629474
4a=629474-6
4a=629468
a=629468:4=157367
b=157368
c=157369
d=157370