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REIŠKINIAI, LYGTIS,

NELYGYBĖS

QuestionAnswer
Raidiniu reiškiniu vadiname tokį reiškinį, kuris yra sudarytas: Iš raidžių, skaičių veiksmų ženklų ir skliaustų
Parašykite atsakymą raidiniu reiškiniu: batai kainavo a eurų, o paltas 2 kartus daugiau. Kiek kainavo visas pirkinys? (a+2a) Eur
Raidinio reiškinio a:5-4 reikšmė, kai a=35 yra lygi 3
Lygybė, kurioje yra raide pažymėtas skaičius, vadinama Lygtimi
Nurodykite lygties x-8=15 sprendinį 23
Lygties sprendiniu vadinama tokia nežinomojo reikšmė, su kuria Lygtis virsta teisinga skaitine lygybe
Jei raidiniame reiškinyje parašytas ženklas > arba<, tai toks užrašas yra vadinamas Nelygybe
Pasakykite nelygybės 5*x>15 mažiausią natūralųjį sprendinį: 4
Jei 4*x=424, tai x=106
Skaičiaus x ir skaičiaus 15 suma yra lygi 45. Koks skaičiaus x? x=30
Created by: denx
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