Question

suma a 5 nr consecutive pare este egala cu diferenta numerelor 397 si 327.Care sunt numerele? Dau coroana

Answer 1

397-327=70(suma)
notez x- nr 1
x+2- nr 2
x+4- nr 3
x+6- nr 4
x+8- nr 6
x+x+2+x+4+x+6+x+8
=70
5x=70-20
5x=50
x=50:5
x=10
x+2=10+2=12
x+4=10+4=14
x+6=10+6=16
x+8=10+8=18
10,12,14,16,18 numerele
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