Odpowiedź:
x + 5 = 10 + 10
x = 20 - 5
x = 15
15 + 5 = 20
20 = 20
L = P
Jabłko waży 15 dkg
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Odpowiedź:
x + 5 = 10 + 10
x = 20 - 5
x = 15
15 + 5 = 20
20 = 20
L = P
Jabłko waży 15 dkg