Scantin
Inaintin la in
Testul 2
Fis
Se acordă 1 punct din oficiu.
2p) 1. Stabil...
Mathematics, 25.10.2020 14:00 monsurviky
Scantin
Inaintin la in
Testul 2
Fis
Se acordă 1 punct din oficiu.
2p) 1. Stabiliti valoarea de adevăr a propoziţiilor:
a) (-3; 7] {-3,7} = (-3; 7]; b) {-8,2} (-8; 2] = {-8,2).
2p) 2. Rezolvați inecuatiile următoare, unde x e R:
a) x-12 1:
b) 5x <-5.
p) 3. Se consideră intervalele de numere reale A = (-12; 5) şi B = (-1; 373)
Efectuati A U B şi An B.
->) 4. Determinati cel mai mare număr întreg care verifică inecuația:
x-215 212x-V10.
5. Se consideră mulțimea A = {abc , a 70 | abc = c }. Câte submulțimi are
Num
Clas
Сар
Sed
1.1
su
multimea ?
Answers: 3
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