Question

suma a5 numere este 75.afla numerele

Answer 1

1) a+a+1+a+2+a+3+a+4=75
5a+10=75
5a=75-10
5a=65
a=65:5
a=13; b=13+1=14;c=13+2=15; d=13+3=16; e=13+4=17
verificare:13+14+15+16+17=75
2) a+a+2+a+4+a+6=72
4a+12=72
4a=72-12
4a=60
a=60:4
a=15; b=15+2=17; c=15+4=19; d=15+6=21
verificare:15+17+19+21=72
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