Răspunsuri

2014-07-16T20:53:54+03:00
A+a+1+a+2+a+3+a+4 =380
5a+10=380
5a=370
a=74
Nr sunt : 74,75,76,77,78
2014-07-16T20:54:31+03:00
A+a+1+a+2+a+3+a+4=380

5a+10=380

5a=380-10

5a=370

a=74

a+1=74+1=75
a+2=74+2=76
a+3=74+3=77
a+4=74+4=78
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