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natali 33 [55]
4 years ago
5

Zadania są na zdjęciach. Pls mam z tym czas do jutra!!!

Mathematics
1 answer:
ira [324]4 years ago
8 0

p + 2 = 5 ==> p = 3

3p + 2 = p + 3 ==> 2p = 2 ==> p = 1

3k + 5 = 2k + 2 ==> k = -3 (niemożliwe; lewa strona wagi ma większą wagę)

2w + 10 = 4w + 7 ==> 2w = 3 ==> w = 3/2

d + 9 = 3d + 2 ==> 2d = 7 ==> d = 7/2

W drugim zadanie każda litera reprezentuje wagę jednego z obiektów. Na przykład 3k + 4 reprezentuje całkowitą wagę 3 kół i 4 ciężarów, każdy o wadze 1 kg.

Trzecie zadanie to tylko połączenie dwóch pozostałych.

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