Question

1.Suma trzech kolejnych liczb parzystych równa się 48 . Jakie to liczby ??

2. Suma czterech kolejnych podzielnych liczb podzielnych przez 5 równa się 530. Jakie to liczby ??

proszę o wszystkie obliczenia !!!

z góry dzięki :)

Answer 1

k+k+2+k+4=48
3k=42
k=14
te liczby to 14,16,18

Answer 2

ZADANIE 1 x+x+2+x+4=48 `````````````````````````````````````````````````````````````````` 3x+6=48~`````````````````````````````````````````````````````````````````````` 3x=48-6```````````````````````````````````````````````````````````````````````` 3x=42````````````````````````````````````````````````````````````````````````` x=42:3````````````````````````````````````````````````````````````````````````` x=14`````````````````````````````````````````````````````````````````````````` pierwsza liczba x czyli 14, druga liczba x+2 czyli 14+2=16, a trzecia liczba to x+4 czyli 14+4=18.