Question

1 , 2 si 3 va rog frumos

Answer 1

1.a+b+c=?
a,b,c=nr consecutive
b=258=>a=257
              c=259
a+b+c=257+258+259=774
1.subpunctul e)alt numar
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3.a+b+c+d=?
a,b,c,d=nr impare
d=399
=>a=393
    b=395
    c=397
a+b+c+d=393+395+397+399=1584
3.subpunctul d)1584
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2.a+b+c+d=?
a,b,c,d=nr pare
c=132=>a=128
              b=130
              d=134
a+b+c+d=128+130+132+134=524
2.subpunctul b)524