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suma a doua nr impare consecutive edte 64 afla cwlw doua nr

Răspuns :

I nr /-----/
                       } 64
II nr /----/ +2

64 - 2 = 62

62 : 2 = 31 un segment egal

I nr = 31

II nr = 31+2 = 33
a+b=64
b=a+2
a+a+2=64
2a=64-2
2a=62
a=62:2
a=31
b=a+2=31+2=33

31+33=64

Deci nr.impare consecutive sunt: 31 si 33